{
  "asOf": "2026-09-17",
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      "surface": 4,
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      "familyId": "classical"
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      "venue": "Heritage",
      "auction": "232622",
      "lot": "64015",
      "reported_date": "2026-05-28",
      "date_basis": "archive auction end date; individual session may be previous day",
      "family": "Classical mass issue",
      "denomination": "AR tetradrachm",
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      "source_url": "https://coins.ha.com/c/search/results.zx?archive_state=5327&auction_name=232622&auction_year=2026&dept=1909&mode=archive&session_desc=3767&sold_status=1526~1524",
      "familyId": "classical"
    },
    {
      "id": "Heritage-232622-64016",
      "venue": "Heritage",
      "auction": "232622",
      "lot": "64016",
      "reported_date": "2026-05-28",
      "date_basis": "archive auction end date; individual session may be previous day",
      "family": "Classical mass issue",
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      "cohort": "current consecutive lots",
      "evidence": "auction reported sold",
      "checked_on": "2026-09-17",
      "source_url": "https://coins.ha.com/c/search/results.zx?archive_state=5327&auction_name=232622&auction_year=2026&dept=1909&mode=archive&session_desc=3767&sold_status=1526~1524",
      "familyId": "classical"
    },
    {
      "id": "Heritage-232622-64017",
      "venue": "Heritage",
      "auction": "232622",
      "lot": "64017",
      "reported_date": "2026-05-28",
      "date_basis": "archive auction end date; individual session may be previous day",
      "family": "Classical mass issue",
      "denomination": "AR tetradrachm",
      "grade": "MS",
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      "surface": 4,
      "notes": "flan flaws",
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      "price_basis": "includes buyer premium",
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      "buyer_price_before_tax_shipping": 1159,
      "cohort": "current consecutive lots",
      "evidence": "auction reported sold",
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      "source_url": "https://coins.ha.com/c/search/results.zx?archive_state=5327&auction_name=232622&auction_year=2026&dept=1909&mode=archive&session_desc=3767&sold_status=1526~1524",
      "familyId": "classical"
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      "venue": "Heritage",
      "auction": "232622",
      "lot": "64018",
      "reported_date": "2026-05-28",
      "date_basis": "archive auction end date; individual session may be previous day",
      "family": "Classical mass issue",
      "denomination": "AR tetradrachm",
      "grade": "Choice AU",
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      "price_basis": "includes buyer premium",
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      "checked_on": "2026-09-17",
      "source_url": "https://coins.ha.com/c/search/results.zx?archive_state=5327&auction_name=232622&auction_year=2026&dept=1909&mode=archive&session_desc=3767&sold_status=1526~1524",
      "familyId": "classical"
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      "venue": "Heritage",
      "auction": "232622",
      "lot": "64019",
      "reported_date": "2026-05-28",
      "date_basis": "archive auction end date; individual session may be previous day",
      "family": "Classical mass issue",
      "denomination": "AR tetradrachm",
      "grade": "Choice AU",
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      "source_url": "https://coins.ha.com/c/search/results.zx?archive_state=5327&auction_name=232622&auction_year=2026&dept=1909&mode=archive&session_desc=3767&sold_status=1526~1524",
      "familyId": "classical"
    },
    {
      "id": "Heritage-232622-64020",
      "venue": "Heritage",
      "auction": "232622",
      "lot": "64020",
      "reported_date": "2026-05-28",
      "date_basis": "archive auction end date; individual session may be previous day",
      "family": "Classical mass issue",
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      "grade": "Choice AU",
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      "price_basis": "includes buyer premium",
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      "buyer_price_before_tax_shipping": 1128.5,
      "cohort": "current consecutive lots",
      "evidence": "auction reported sold",
      "checked_on": "2026-09-17",
      "source_url": "https://coins.ha.com/c/search/results.zx?archive_state=5327&auction_name=232622&auction_year=2026&dept=1909&mode=archive&session_desc=3767&sold_status=1526~1524",
      "familyId": "classical"
    },
    {
      "id": "Heritage-232622-64021",
      "venue": "Heritage",
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      "reported_date": "2026-05-28",
      "date_basis": "archive auction end date; individual session may be previous day",
      "family": "Classical mass issue",
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      "checked_on": "2026-09-17",
      "source_url": "https://coins.ha.com/c/search/results.zx?archive_state=5327&auction_name=232622&auction_year=2026&dept=1909&mode=archive&session_desc=3767&sold_status=1526~1524",
      "familyId": "classical"
    },
    {
      "id": "Heritage-232622-64022",
      "venue": "Heritage",
      "auction": "232622",
      "lot": "64022",
      "reported_date": "2026-05-28",
      "date_basis": "archive auction end date; individual session may be previous day",
      "family": "Classical mass issue",
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      "grade": "AU",
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      "checked_on": "2026-09-17",
      "source_url": "https://coins.ha.com/c/search/results.zx?archive_state=5327&auction_name=232622&auction_year=2026&dept=1909&mode=archive&session_desc=3767&sold_status=1526~1524",
      "familyId": "classical"
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    {
      "id": "Heritage-232622-64023",
      "venue": "Heritage",
      "auction": "232622",
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      "date_basis": "archive auction end date; individual session may be previous day",
      "family": "Classical mass issue",
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      "price_basis": "includes buyer premium",
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      "buyer_price_before_tax_shipping": 1159,
      "cohort": "current consecutive lots",
      "evidence": "auction reported sold",
      "checked_on": "2026-09-17",
      "source_url": "https://coins.ha.com/c/search/results.zx?archive_state=5327&auction_name=232622&auction_year=2026&dept=1909&mode=archive&session_desc=3767&sold_status=1526~1524",
      "familyId": "classical"
    },
    {
      "id": "Heritage-232622-64024",
      "venue": "Heritage",
      "auction": "232622",
      "lot": "64024",
      "reported_date": "2026-05-28",
      "date_basis": "archive auction end date; individual session may be previous day",
      "family": "Classical mass issue",
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      "cohort": "current consecutive lots",
      "evidence": "auction reported sold",
      "checked_on": "2026-09-17",
      "source_url": "https://coins.ha.com/c/search/results.zx?archive_state=5327&auction_name=232622&auction_year=2026&dept=1909&mode=archive&session_desc=3767&sold_status=1526~1524",
      "familyId": "classical"
    },
    {
      "id": "Heritage-232622-64025",
      "venue": "Heritage",
      "auction": "232622",
      "lot": "64025",
      "reported_date": "2026-05-28",
      "date_basis": "archive auction end date; individual session may be previous day",
      "family": "Classical mass issue",
      "denomination": "AR tetradrachm",
      "grade": "Choice XF",
      "strike": 4,
      "surface": 4,
      "notes": "",
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      "currency": "USD",
      "price_basis": "includes buyer premium",
      "buyer_premium_rate": 0.22,
      "buyer_price_before_tax_shipping": 976,
      "cohort": "current consecutive lots",
      "evidence": "auction reported sold",
      "checked_on": "2026-09-17",
      "source_url": "https://coins.ha.com/c/search/results.zx?archive_state=5327&auction_name=232622&auction_year=2026&dept=1909&mode=archive&session_desc=3767&sold_status=1526~1524",
      "familyId": "classical"
    },
    {
      "id": "Heritage-232635-64008",
      "venue": "Heritage",
      "auction": "232635",
      "lot": "64008",
      "reported_date": "2026-08-27",
      "date_basis": "archive auction end date; individual session may be previous day",
      "family": "Classical mass issue",
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      "grade": "MS",
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      "price_basis": "includes buyer premium",
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      "buyer_price_before_tax_shipping": 2074,
      "cohort": "current consecutive lots",
      "evidence": "auction reported sold",
      "checked_on": "2026-09-17",
      "source_url": "https://coins.ha.com/c/search/results.zx?archive_state=5327&auction_name=232635&auction_year=2026&dept=1909&ic4=OtherResults-SampleItem-AuctionNo-051517&mode=archive&sold_status=1526~1524",
      "familyId": "classical"
    },
    {
      "id": "Heritage-232635-64009",
      "venue": "Heritage",
      "auction": "232635",
      "lot": "64009",
      "reported_date": "2026-08-27",
      "date_basis": "archive auction end date; individual session may be previous day",
      "family": "Classical mass issue",
      "denomination": "AR tetradrachm",
      "grade": "MS",
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      "currency": "USD",
      "price_basis": "includes buyer premium",
      "buyer_premium_rate": 0.22,
      "buyer_price_before_tax_shipping": 2074,
      "cohort": "current consecutive lots",
      "evidence": "auction reported sold",
      "checked_on": "2026-09-17",
      "source_url": "https://coins.ha.com/c/search/results.zx?archive_state=5327&auction_name=232635&auction_year=2026&dept=1909&ic4=OtherResults-SampleItem-AuctionNo-051517&mode=archive&sold_status=1526~1524",
      "familyId": "classical"
    },
    {
      "id": "Heritage-232635-64010",
      "venue": "Heritage",
      "auction": "232635",
      "lot": "64010",
      "reported_date": "2026-08-27",
      "date_basis": "archive auction end date; individual session may be previous day",
      "family": "Classical mass issue",
      "denomination": "AR tetradrachm",
      "grade": "MS",
      "strike": 5,
      "surface": 4,
      "notes": "",
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      "currency": "USD",
      "price_basis": "includes buyer premium",
      "buyer_premium_rate": 0.22,
      "buyer_price_before_tax_shipping": 2379,
      "cohort": "current consecutive lots",
      "evidence": "auction reported sold",
      "checked_on": "2026-09-17",
      "source_url": "https://coins.ha.com/c/search/results.zx?archive_state=5327&auction_name=232635&auction_year=2026&dept=1909&ic4=OtherResults-SampleItem-AuctionNo-051517&mode=archive&sold_status=1526~1524",
      "familyId": "classical"
    },
    {
      "id": "Heritage-232635-64011",
      "venue": "Heritage",
      "auction": "232635",
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      "family": "Classical mass issue",
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      "notes": "Archive reports sold; cached individual lot page still displays an earlier live bid. Use archive result, not live bid.",
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      "familyId": "classical"
    },
    {
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      "venue": "Heritage",
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    },
    {
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      "venue": "Heritage",
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      "familyId": "classical"
    },
    {
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    },
    {
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    },
    {
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      "cohort": "current consecutive lots",
      "evidence": "auction reported sold",
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      "source_url": "https://coins.ha.com/c/search/results.zx?archive_state=5327&auction_name=232635&auction_year=2026&dept=1909&ic4=OtherResults-SampleItem-AuctionNo-051517&mode=archive&sold_status=1526~1524",
      "familyId": "classical"
    },
    {
      "id": "Heritage-232635-64017",
      "venue": "Heritage",
      "auction": "232635",
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      "reported_date": "2026-08-27",
      "date_basis": "archive auction end date; individual session may be previous day",
      "family": "Classical mass issue",
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    },
    {
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      "reported_date": "2026-08-27",
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      "family": "Classical mass issue",
      "denomination": "AR tetradrachm",
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      "currency": "USD",
      "price_basis": "includes buyer premium",
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      "cohort": "current consecutive lots",
      "evidence": "auction reported sold",
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      "source_url": "https://coins.ha.com/c/search/results.zx?archive_state=5327&auction_name=232635&auction_year=2026&dept=1909&ic4=OtherResults-SampleItem-AuctionNo-051517&mode=archive&sold_status=1526~1524",
      "familyId": "classical"
    },
    {
      "id": "Heritage-232635-64019",
      "venue": "Heritage",
      "auction": "232635",
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      "reported_date": "2026-08-27",
      "date_basis": "archive auction end date; individual session may be previous day",
      "family": "Classical mass issue",
      "denomination": "AR tetradrachm",
      "grade": "Choice XF",
      "strike": 5,
      "surface": 4,
      "notes": "",
      "amount": 1067.5,
      "currency": "USD",
      "price_basis": "includes buyer premium",
      "buyer_premium_rate": 0.22,
      "buyer_price_before_tax_shipping": 1067.5,
      "cohort": "current consecutive lots",
      "evidence": "auction reported sold",
      "checked_on": "2026-09-17",
      "source_url": "https://coins.ha.com/c/search/results.zx?archive_state=5327&auction_name=232635&auction_year=2026&dept=1909&ic4=OtherResults-SampleItem-AuctionNo-051517&mode=archive&sold_status=1526~1524",
      "familyId": "classical"
    },
    {
      "id": "Heritage-232635-64020",
      "venue": "Heritage",
      "auction": "232635",
      "lot": "64020",
      "reported_date": "2026-08-27",
      "date_basis": "archive auction end date; individual session may be previous day",
      "family": "Classical mass issue",
      "denomination": "AR tetradrachm",
      "grade": "Choice XF",
      "strike": 5,
      "surface": 4,
      "notes": "",
      "amount": 1464,
      "currency": "USD",
      "price_basis": "includes buyer premium",
      "buyer_premium_rate": 0.22,
      "buyer_price_before_tax_shipping": 1464,
      "cohort": "current consecutive lots",
      "evidence": "auction reported sold",
      "checked_on": "2026-09-17",
      "source_url": "https://coins.ha.com/c/search/results.zx?archive_state=5327&auction_name=232635&auction_year=2026&dept=1909&ic4=OtherResults-SampleItem-AuctionNo-051517&mode=archive&sold_status=1526~1524",
      "familyId": "classical"
    },
    {
      "id": "Heritage-232635-64021",
      "venue": "Heritage",
      "auction": "232635",
      "lot": "64021",
      "reported_date": "2026-08-27",
      "date_basis": "archive auction end date; individual session may be previous day",
      "family": "Classical mass issue",
      "denomination": "AR tetradrachm",
      "grade": "Choice XF",
      "strike": 5,
      "surface": 4,
      "notes": "",
      "amount": 1067.5,
      "currency": "USD",
      "price_basis": "includes buyer premium",
      "buyer_premium_rate": 0.22,
      "buyer_price_before_tax_shipping": 1067.5,
      "cohort": "current consecutive lots",
      "evidence": "auction reported sold",
      "checked_on": "2026-09-17",
      "source_url": "https://coins.ha.com/c/search/results.zx?archive_state=5327&auction_name=232635&auction_year=2026&dept=1909&ic4=OtherResults-SampleItem-AuctionNo-051517&mode=archive&sold_status=1526~1524",
      "familyId": "classical"
    },
    {
      "id": "Heritage-232635-64022",
      "venue": "Heritage",
      "auction": "232635",
      "lot": "64022",
      "reported_date": "2026-08-27",
      "date_basis": "archive auction end date; individual session may be previous day",
      "family": "Classical mass issue",
      "denomination": "AR tetradrachm",
      "grade": "Choice XF",
      "strike": 5,
      "surface": 4,
      "notes": "",
      "amount": 1220,
      "currency": "USD",
      "price_basis": "includes buyer premium",
      "buyer_premium_rate": 0.22,
      "buyer_price_before_tax_shipping": 1220,
      "cohort": "current consecutive lots",
      "evidence": "auction reported sold",
      "checked_on": "2026-09-17",
      "source_url": "https://coins.ha.com/c/search/results.zx?archive_state=5327&auction_name=232635&auction_year=2026&dept=1909&ic4=OtherResults-SampleItem-AuctionNo-051517&mode=archive&sold_status=1526~1524",
      "familyId": "classical"
    },
    {
      "id": "Heritage-232635-64023",
      "venue": "Heritage",
      "auction": "232635",
      "lot": "64023",
      "reported_date": "2026-08-27",
      "date_basis": "archive auction end date; individual session may be previous day",
      "family": "Classical mass issue",
      "denomination": "AR tetradrachm",
      "grade": "Choice XF",
      "strike": 5,
      "surface": 3,
      "notes": "brushed",
      "amount": 1006.5,
      "currency": "USD",
      "price_basis": "includes buyer premium",
      "buyer_premium_rate": 0.22,
      "buyer_price_before_tax_shipping": 1006.5,
      "cohort": "current consecutive lots",
      "evidence": "auction reported sold",
      "checked_on": "2026-09-17",
      "source_url": "https://coins.ha.com/c/search/results.zx?archive_state=5327&auction_name=232635&auction_year=2026&dept=1909&ic4=OtherResults-SampleItem-AuctionNo-051517&mode=archive&sold_status=1526~1524",
      "familyId": "classical"
    },
    {
      "id": "Heritage-3076-33044",
      "venue": "Heritage",
      "auction": "3076",
      "lot": "33044",
      "reported_date": "2019-09-09",
      "date_basis": "lot sold date",
      "family": "Classical mass issue",
      "denomination": "AR tetradrachm",
      "grade": "Choice XF",
      "strike": 5,
      "surface": 4,
      "notes": "",
      "amount": 528,
      "currency": "USD",
      "price_basis": "includes buyer premium",
      "buyer_premium_rate": 0.2,
      "buyer_price_before_tax_shipping": 528,
      "cohort": "historical matched grade",
      "evidence": "auction reported sold",
      "checked_on": "2026-09-17",
      "source_url": "https://coins.ha.com/itm/ancients/greek/ancients-attica-athens-ca-440-404-bc-ar-tetradrachm-24mm-1717-gm-9h-ngc-choice-xf-5-5-4-5/a/3076-33044.s",
      "familyId": "classical"
    },
    {
      "id": "Heritage-231949-61046",
      "venue": "Heritage",
      "auction": "231949",
      "lot": "61046",
      "reported_date": "2019-12-05",
      "date_basis": "lot sold date",
      "family": "Classical mass issue",
      "denomination": "AR tetradrachm",
      "grade": "Choice XF",
      "strike": 5,
      "surface": 4,
      "notes": "",
      "amount": 660,
      "currency": "USD",
      "price_basis": "includes buyer premium",
      "buyer_premium_rate": 0.2,
      "buyer_price_before_tax_shipping": 660,
      "cohort": "historical matched grade",
      "evidence": "auction reported sold",
      "checked_on": "2026-09-17",
      "source_url": "https://coins.ha.com/itm/ancients/greek/ancients-attica-athens-ca-440-404-bc-ar-tetradrachm-24mm-1717-gm-2h-ngc-choice-xf-5-5-4-5/a/231949-61046.s",
      "familyId": "classical"
    },
    {
      "id": "Heritage-232033-62057",
      "venue": "Heritage",
      "auction": "232033",
      "lot": "62057",
      "reported_date": "2020-08-12",
      "date_basis": "lot sold date",
      "family": "Classical mass issue",
      "denomination": "AR tetradrachm",
      "grade": "Choice XF",
      "strike": 5,
      "surface": 4,
      "notes": "",
      "amount": 840,
      "currency": "USD",
      "price_basis": "includes buyer premium",
      "buyer_premium_rate": 0.2,
      "buyer_price_before_tax_shipping": 840,
      "cohort": "historical matched grade",
      "evidence": "auction reported sold",
      "checked_on": "2026-09-17",
      "source_url": "https://coins.ha.com/itm/ancients/greek/ancients-attica-athens-ca-440-404-bc-ar-tetradrachm-25mm-1714-gm-5h-ngc-choice-xf-5-5-4-5/a/232033-62057.s",
      "familyId": "classical"
    },
    {
      "id": "Heritage-232052-64057",
      "venue": "Heritage",
      "auction": "232052",
      "lot": "64057",
      "reported_date": "2020-12-23",
      "date_basis": "lot sold date",
      "family": "Classical mass issue",
      "denomination": "AR tetradrachm",
      "grade": "Choice XF",
      "strike": 5,
      "surface": 4,
      "notes": "",
      "amount": 720,
      "currency": "USD",
      "price_basis": "includes buyer premium",
      "buyer_premium_rate": 0.2,
      "buyer_price_before_tax_shipping": 720,
      "cohort": "historical matched grade",
      "evidence": "auction reported sold",
      "checked_on": "2026-09-17",
      "source_url": "https://coins.ha.com/itm/ancients/greek/attica-athens-ca-440-404-bc-ar-tetradrachm-26mm-1712-gm-8h-ngc-choice-xf-5-5-4-5/a/232052-64057.s",
      "familyId": "classical"
    },
    {
      "id": "Heritage-232123-62095",
      "venue": "Heritage",
      "auction": "232123",
      "lot": "62095",
      "reported_date": "2021-06-09",
      "date_basis": "lot sold date",
      "family": "Classical mass issue",
      "denomination": "AR tetradrachm",
      "grade": "Choice XF",
      "strike": 5,
      "surface": 4,
      "notes": "",
      "amount": 630,
      "currency": "USD",
      "price_basis": "includes buyer premium",
      "buyer_premium_rate": 0.2,
      "buyer_price_before_tax_shipping": 630,
      "cohort": "historical matched grade",
      "evidence": "auction reported sold",
      "checked_on": "2026-09-17",
      "source_url": "https://coins.ha.com/itm/ancients/greek/ancients-attica-athens-ca-440-404-bc-ar-tetradrachm-25mm-1715-gm-1h-ngc-choice-xf-5-5-4-5/a/232123-62095.s",
      "familyId": "classical"
    },
    {
      "id": "Heritage-232126-61102",
      "venue": "Heritage",
      "auction": "232126",
      "lot": "61102",
      "reported_date": "2021-06-30",
      "date_basis": "lot sold date",
      "family": "Classical mass issue",
      "denomination": "AR tetradrachm",
      "grade": "Choice XF",
      "strike": 5,
      "surface": 4,
      "notes": "",
      "amount": 750,
      "currency": "USD",
      "price_basis": "includes buyer premium",
      "buyer_premium_rate": 0.2,
      "buyer_price_before_tax_shipping": 750,
      "cohort": "historical matched grade",
      "evidence": "auction reported sold",
      "checked_on": "2026-09-17",
      "source_url": "https://coins.ha.com/itm/ancients/greek/ancients-attica-athens-ca-440-404-bc-ar-tetradrachm-25mm-1716-gm-8h-ngc-choice-xf-5-5-4-5/a/232126-61102.s",
      "familyId": "classical"
    },
    {
      "id": "Heritage-232114-62102",
      "venue": "Heritage",
      "auction": "232114",
      "lot": "62102",
      "reported_date": "2021-04-07",
      "date_basis": "lot sold date",
      "family": "Classical mass issue",
      "denomination": "AR tetradrachm",
      "grade": "Choice XF",
      "strike": 5,
      "surface": 4,
      "notes": "",
      "amount": 750,
      "currency": "USD",
      "price_basis": "includes buyer premium",
      "buyer_premium_rate": 0.2,
      "buyer_price_before_tax_shipping": 750,
      "cohort": "historical matched grade",
      "evidence": "auction reported sold",
      "checked_on": "2026-09-17",
      "source_url": "https://coins.ha.com/itm/ancients/greek/ancients-attica-athens-ca-440-404-bc-ar-tetradrachm-25mm-1718-gm-9h-ngc-choice-xf-5-5-4-5/a/232114-62102.s",
      "familyId": "classical"
    },
    {
      "id": "Heritage-232106-62081",
      "venue": "Heritage",
      "auction": "232106",
      "lot": "62081",
      "reported_date": "2021-02-11",
      "date_basis": "archive auction end date",
      "family": "Classical mass issue",
      "denomination": "AR tetradrachm",
      "grade": "Choice XF",
      "strike": 5,
      "surface": 4,
      "notes": "",
      "amount": 900,
      "currency": "USD",
      "price_basis": "includes buyer premium",
      "buyer_premium_rate": 0.2,
      "buyer_price_before_tax_shipping": 900,
      "cohort": "historical matched grade",
      "evidence": "auction reported sold",
      "checked_on": "2026-09-17",
      "source_url": "https://www.ha.com/c/search/results.zx?archive_state=5327&layout=gallery&mode=archive&page=48~6&sb=1&si=2&sold_status=1526&term=17.18",
      "familyId": "classical"
    },
    {
      "id": "Heritage-232133-63097",
      "venue": "Heritage",
      "auction": "232133",
      "lot": "63097",
      "reported_date": "2021-08-18",
      "date_basis": "archive auction end date",
      "family": "Classical mass issue",
      "denomination": "AR tetradrachm",
      "grade": "Choice XF",
      "strike": 5,
      "surface": 4,
      "notes": "",
      "amount": 900,
      "currency": "USD",
      "price_basis": "includes buyer premium",
      "buyer_premium_rate": 0.2,
      "buyer_price_before_tax_shipping": 900,
      "cohort": "historical matched grade",
      "evidence": "auction reported sold",
      "checked_on": "2026-09-17",
      "source_url": "https://www.ha.com/c/search/results.zx?archive_state=5327&layout=gallery&mode=archive&page=48~86&sb=1&si=2&sold_status=1526&term=yn",
      "familyId": "classical"
    },
    {
      "id": "Heritage-232217-64116",
      "venue": "Heritage",
      "auction": "232217",
      "lot": "64116",
      "reported_date": "2022-04-27",
      "date_basis": "lot sold date",
      "family": "Classical mass issue",
      "denomination": "AR tetradrachm",
      "grade": "Choice XF",
      "strike": 5,
      "surface": 4,
      "notes": "",
      "amount": 660,
      "currency": "USD",
      "price_basis": "includes buyer premium",
      "buyer_premium_rate": 0.2,
      "buyer_price_before_tax_shipping": 660,
      "cohort": "historical matched grade",
      "evidence": "auction reported sold",
      "checked_on": "2026-09-17",
      "source_url": "https://coins.ha.com/itm/ancients/greek/ancients-attica-athens-ca-440-404-bc-ar-tetradrachm-24mm-1718-gm-7h-ngc-choice-xf-5-5-4-5/a/232217-64116.s",
      "familyId": "classical"
    },
    {
      "id": "Heritage-232230-64069",
      "venue": "Heritage",
      "auction": "232230",
      "lot": "64069",
      "reported_date": "2022-07-27",
      "date_basis": "lot sold date",
      "family": "Classical mass issue",
      "denomination": "AR tetradrachm",
      "grade": "Choice XF",
      "strike": 5,
      "surface": 4,
      "notes": "",
      "amount": 660,
      "currency": "USD",
      "price_basis": "includes buyer premium",
      "buyer_premium_rate": 0.2,
      "buyer_price_before_tax_shipping": 660,
      "cohort": "historical matched grade",
      "evidence": "auction reported sold",
      "checked_on": "2026-09-17",
      "source_url": "https://coins.ha.com/itm/ancients/greek/ancients-attica-athens-ca-440-404-bc-ar-tetradrachm-25mm-1718-gm-1h-ngc-choice-xf-5-5-4-5/a/232230-64069.s",
      "familyId": "classical"
    },
    {
      "id": "Heritage-232311-63032",
      "venue": "Heritage",
      "auction": "232311",
      "lot": "63032",
      "reported_date": "2023-03-15",
      "date_basis": "lot sold date",
      "family": "Classical mass issue",
      "denomination": "AR tetradrachm",
      "grade": "Choice XF",
      "strike": 5,
      "surface": 4,
      "notes": "",
      "amount": 900,
      "currency": "USD",
      "price_basis": "includes buyer premium",
      "buyer_premium_rate": 0.2,
      "buyer_price_before_tax_shipping": 900,
      "cohort": "historical matched grade",
      "evidence": "auction reported sold",
      "checked_on": "2026-09-17",
      "source_url": "https://coins.ha.com/itm/ancients/greek/ancients-attica-athens-ca-440-404-bc-ar-tetradrachm-25mm-1714-gm-2h-ngc-choice-xf-5-5-4-5/a/232311-63032.s",
      "familyId": "classical"
    },
    {
      "id": "Heritage-232344-61036",
      "venue": "Heritage",
      "auction": "232344",
      "lot": "61036",
      "reported_date": "2023-11-01",
      "date_basis": "lot sold date",
      "family": "Classical mass issue",
      "denomination": "AR tetradrachm",
      "grade": "Choice XF",
      "strike": 5,
      "surface": 4,
      "notes": "",
      "amount": 720,
      "currency": "USD",
      "price_basis": "includes buyer premium",
      "buyer_premium_rate": 0.2,
      "buyer_price_before_tax_shipping": 720,
      "cohort": "historical matched grade",
      "evidence": "auction reported sold",
      "checked_on": "2026-09-17",
      "source_url": "https://coins.ha.com/itm/ancients/greek/ancients-attica-athens-ca-440-404-bc-ar-tetradrachm-24mm-1718-gm-4h-ngc-choice-xf-5-5-4-5/a/232344-61036.s",
      "familyId": "classical"
    },
    {
      "id": "Heritage-232341-62038",
      "venue": "Heritage",
      "auction": "232341",
      "lot": "62038",
      "reported_date": "2023-10-11",
      "date_basis": "archive auction end date",
      "family": "Classical mass issue",
      "denomination": "AR tetradrachm",
      "grade": "Choice XF",
      "strike": 5,
      "surface": 4,
      "notes": "",
      "amount": 900,
      "currency": "USD",
      "price_basis": "includes buyer premium",
      "buyer_premium_rate": 0.2,
      "buyer_price_before_tax_shipping": 900,
      "cohort": "historical matched grade",
      "evidence": "auction reported sold",
      "checked_on": "2026-09-17",
      "source_url": "https://www.ha.com/c/search/results.zx?archive_state=5327&layout=gallery&mode=archive&page=48~86&sb=1&si=2&sold_status=1526&term=yn",
      "familyId": "classical"
    },
    {
      "id": "Heritage-232403-63026",
      "venue": "Heritage",
      "auction": "232403",
      "lot": "63026",
      "reported_date": "2024-01-18",
      "date_basis": "archive auction end date",
      "family": "Classical mass issue",
      "denomination": "AR tetradrachm",
      "grade": "Choice XF",
      "strike": 5,
      "surface": 4,
      "notes": "2025 catalogue identifies this earlier lot as the same coin. Earlier archive ends Jan 18; later provenance cites Jan 17.",
      "amount": 750,
      "currency": "USD",
      "price_basis": "includes buyer premium",
      "buyer_premium_rate": 0.2,
      "buyer_price_before_tax_shipping": 750,
      "cohort": "historical matched grade",
      "evidence": "auction reported sold",
      "checked_on": "2026-09-17",
      "source_url": "https://coins.ha.com/c/search/results.zx?archive_state=5327&auction_name=232403&auction_year=2024&dept=1909&layout=list&mode=archive&page=10~6&sb=1&si=2&sold_status=1526",
      "familyId": "classical"
    },
    {
      "id": "Heritage-232450-62026",
      "venue": "Heritage",
      "auction": "232450",
      "lot": "62026",
      "reported_date": "2024-12-11",
      "date_basis": "lot sold date",
      "family": "Classical mass issue",
      "denomination": "AR tetradrachm",
      "grade": "Choice XF",
      "strike": 5,
      "surface": 4,
      "notes": "",
      "amount": 780,
      "currency": "USD",
      "price_basis": "includes buyer premium",
      "buyer_premium_rate": 0.2,
      "buyer_price_before_tax_shipping": 780,
      "cohort": "historical matched grade",
      "evidence": "auction reported sold",
      "checked_on": "2026-09-17",
      "source_url": "https://coins.ha.com/itm/ancients/greek/attica-athens-ca-440-404-bc-ar-tetradrachm-25mm-1721-gm-11h-ngc-choice-xf-5-5-4-5/a/232450-62026.s",
      "familyId": "classical"
    },
    {
      "id": "Heritage-232449-61029",
      "venue": "Heritage",
      "auction": "232449",
      "lot": "61029",
      "reported_date": "2024-12-04",
      "date_basis": "lot sold date",
      "family": "Classical mass issue",
      "denomination": "AR tetradrachm",
      "grade": "Choice XF",
      "strike": 5,
      "surface": 4,
      "notes": "cabinet toning",
      "amount": 900,
      "currency": "USD",
      "price_basis": "includes buyer premium",
      "buyer_premium_rate": 0.2,
      "buyer_price_before_tax_shipping": 900,
      "cohort": "historical matched grade",
      "evidence": "auction reported sold",
      "checked_on": "2026-09-17",
      "source_url": "https://coins.ha.com/itm/ancients/greek/ancients-attica-athens-ca-440-404-bc-ar-tetradrachm-24mm-1719-gm-8h-ngc-choice-xf-5-5-4-5/a/232449-61029.s",
      "familyId": "classical"
    },
    {
      "id": "Heritage-232527-61037",
      "venue": "Heritage",
      "auction": "232527",
      "lot": "61037",
      "reported_date": "2025-07-02",
      "date_basis": "lot sold date",
      "family": "Classical mass issue",
      "denomination": "AR tetradrachm",
      "grade": "Choice XF",
      "strike": 5,
      "surface": 4,
      "notes": "Catalogue provenance: Heritage 232403, lot 63026, Jan 17 2024. Same 25mm, 17.19g, 8h and NGC grade; identity is catalogue-linked, not independently certified here.",
      "amount": 960,
      "currency": "USD",
      "price_basis": "includes buyer premium",
      "buyer_premium_rate": 0.2,
      "buyer_price_before_tax_shipping": 960,
      "cohort": "historical matched grade",
      "evidence": "auction reported sold",
      "checked_on": "2026-09-17",
      "source_url": "https://coins.ha.com/itm/ancients/greek/greek-attica-athens-ca-440-404-bc-ar-tetradrachm-25mm-1719-gm-8h-ngc-choice-xf-5-5-4-5/a/232527-61037.s",
      "familyId": "classical"
    },
    {
      "id": "Heritage-232544-65028",
      "venue": "Heritage",
      "auction": "232544",
      "lot": "65028",
      "reported_date": "2025-10-29",
      "date_basis": "lot sold date",
      "family": "Classical mass issue",
      "denomination": "AR tetradrachm",
      "grade": "Choice XF",
      "strike": 5,
      "surface": 4,
      "notes": "",
      "amount": 990,
      "currency": "USD",
      "price_basis": "includes buyer premium",
      "buyer_premium_rate": 0.2,
      "buyer_price_before_tax_shipping": 990,
      "cohort": "historical matched grade",
      "evidence": "auction reported sold",
      "checked_on": "2026-09-17",
      "source_url": "https://coins.ha.com/itm/ancients/greek/greek-attica-athens-ca-440-404-bc-ar-tetradrachm-24mm-1720-gm-10h-ngc-choice-xf-5-5-4-5/a/232544-65028.s",
      "familyId": "classical"
    },
    {
      "id": "CNG-614-106",
      "venue": "CNG",
      "auction": "614",
      "lot": "106",
      "reported_date": "2026-07-29",
      "date_basis": "lot sold date",
      "family": "Classical mass issue",
      "denomination": "AR tetradrachm",
      "grade": "VF",
      "strike": null,
      "surface": null,
      "notes": "Rough/granular surfaces; find patina; 15.50g",
      "amount": 375,
      "currency": "USD",
      "price_basis": "hammer",
      "buyer_premium_rate": 0.2,
      "buyer_price_before_tax_shipping": 450,
      "cohort": "current raw examples",
      "evidence": "auction reported sold",
      "checked_on": "2026-09-17",
      "source_url": "https://cngcoins.com/Lot.aspx?BACK_URL=%2FLots.aspx%3FCONTAINER_NAME%3D%26CONTAINER_TYPE_ID%3D2%26IS_ADVANCED%3D1%26ITEM_DESC%3DAthens%2Btetradrachm%26ITEM_IS_SOLD%3D1%26MAX_COUNT%3D10000%26PAGE%3D14%26PAGE_NUM%3D200%26SEARCH_IN_CONTAINER_TYPE_ID_1%3D1%26SEARCH_IN_CONTAINER_TYPE_ID_2%3D1%26SEARCH_IN_CONTAINER_TYPE_ID_3%3D1%26SEARCH_IN_CONTAINER_TYPE_ID_4%3D1%26TABS_TYPE%3D2%26VIEW_TYPE%3D0&LOT_ID=202608",
      "familyId": "classical"
    },
    {
      "id": "CNG-613-156",
      "venue": "CNG",
      "auction": "613",
      "lot": "156",
      "reported_date": "2026-07-15",
      "date_basis": "lot sold date",
      "family": "Classical mass issue",
      "denomination": "AR tetradrachm",
      "grade": "Good VF",
      "strike": null,
      "surface": null,
      "notes": "Light cleaning marks; 17.15g",
      "amount": 650,
      "currency": "USD",
      "price_basis": "hammer",
      "buyer_premium_rate": 0.2,
      "buyer_price_before_tax_shipping": 780,
      "cohort": "current raw examples",
      "evidence": "auction reported sold",
      "checked_on": "2026-09-17",
      "source_url": "https://cngcoins.com/Lot.aspx?BACK_URL=%2FLots.aspx%3FIS_ADVANCED%3D1%26SEARCH_IN_CONTAINER_TYPE_ID_1%3D1%26SEARCH_IN_CONTAINER_TYPE_ID_3%3D1%26SEARCH_IN_CONTAINER_TYPE_ID_2%3D1%26SEARCH_IN_ITEM_ADD_DATE%3D1%26mm_ITEM_ADD_DATE%3D5%26dd_ITEM_ADD_DATE%3D15%26yyyy_ITEM_ADD_DATE%3D2026%26PAGE_NUM%3D100%26PAGE%3D6&LOT_ID=201456",
      "familyId": "classical"
    },
    {
      "id": "CNG-616-257",
      "venue": "CNG",
      "auction": "616",
      "lot": "257",
      "reported_date": "2026-09-02",
      "date_basis": "lot sold date",
      "family": "Classical mass issue",
      "denomination": "AR tetradrachm",
      "grade": "VF",
      "strike": null,
      "surface": null,
      "notes": "Rough surfaces; horn silver; delaminations; 16.39g",
      "amount": 475,
      "currency": "USD",
      "price_basis": "hammer",
      "buyer_premium_rate": 0.2,
      "buyer_price_before_tax_shipping": 570,
      "cohort": "current raw examples",
      "evidence": "auction reported sold",
      "checked_on": "2026-09-17",
      "source_url": "https://www.cngcoins.com/Lot.aspx?BACK_URL=%2FLots.aspx%3FCONTAINER_TYPE_ID%3D2%26IS_ADVANCED%3D1%26MAX_COUNT%3D10000%26PAGE%3D3%26PAGE_NUM%3D100%26SEARCH_IN_CONTAINER_TYPE_ID_1%3D1%26SEARCH_IN_CONTAINER_TYPE_ID_2%3D1%26SEARCH_IN_CONTAINER_TYPE_ID_3%3D1%26SEARCH_IN_CONTAINER_TYPE_ID_4%3D0%26SEARCH_IN_ITEM_ADD_DATE%3D1%26TABS_TYPE%3D2%26VIEW_TYPE%3D0%26dd_ITEM_ADD_DATE%3D21%26mm_ITEM_ADD_DATE%3D2%26yyyy_ITEM_ADD_DATE%3D2026&LOT_ID=205601",
      "familyId": "classical"
    },
    {
      "id": "CNG-610-204",
      "venue": "CNG",
      "auction": "610",
      "lot": "204",
      "reported_date": "2026-06-03",
      "date_basis": "lot sold date",
      "family": "Classical mass issue",
      "denomination": "AR tetradrachm",
      "grade": "Good VF",
      "strike": null,
      "surface": null,
      "notes": "Granular surfaces; 16.97g",
      "amount": 650,
      "currency": "USD",
      "price_basis": "hammer",
      "buyer_premium_rate": 0.2,
      "buyer_price_before_tax_shipping": 780,
      "cohort": "current raw examples",
      "evidence": "auction reported sold",
      "checked_on": "2026-09-17",
      "source_url": "https://www.cngcoins.com/Lot.aspx?BACK_URL=%2FLots.aspx%3FIS_ADVANCED%3D1%26SEARCH_IN_CONTAINER_TYPE_ID_1%3D1%26SEARCH_IN_CONTAINER_TYPE_ID_2%3D1%26SEARCH_IN_CONTAINER_TYPE_ID_3%3D1%26SEARCH_IN_CONTAINER_TYPE_ID_4%3D0%26TABS_TYPE%3D2%26CONTAINER_TYPE_ID%3D2%26SEARCH_IN_ITEM_ADD_DATE%3D1%26mm_ITEM_ADD_DATE%3D8%26dd_ITEM_ADD_DATE%3D25%26yyyy_ITEM_ADD_DATE%3D2025%26VIEW_TYPE%3D0%26MAX_COUNT%3D10000%26PAGE_NUM%3D200%26PAGE%3D6&LOT_ID=197161",
      "familyId": "classical"
    },
    {
      "id": "CNG-611-187",
      "venue": "CNG",
      "auction": "611",
      "lot": "187",
      "reported_date": "2026-06-17",
      "date_basis": "lot sold date",
      "family": "Classical mass issue",
      "denomination": "AR tetradrachm",
      "grade": "Good VF",
      "strike": null,
      "surface": null,
      "notes": "Light earthen deposits; 17.18g",
      "amount": 900,
      "currency": "USD",
      "price_basis": "hammer",
      "buyer_premium_rate": 0.2,
      "buyer_price_before_tax_shipping": 1080,
      "cohort": "current raw examples",
      "evidence": "auction reported sold",
      "checked_on": "2026-09-17",
      "source_url": "https://cngcoins.com/Lot.aspx?BACK_URL=%2FLots.aspx%3FCONTAINER_TYPE_ID%3D2%26IS_ADVANCED%3D1%26MAX_COUNT%3D10000%26PAGE_NUM%3D200%26SEARCH_IN_CONTAINER_TYPE_ID_1%3D1%26SEARCH_IN_CONTAINER_TYPE_ID_2%3D1%26SEARCH_IN_CONTAINER_TYPE_ID_3%3D1%26SEARCH_IN_CONTAINER_TYPE_ID_4%3D0%26SEARCH_IN_ITEM_ADD_DATE%3D1%26TABS_TYPE%3D2%26VIEW_TYPE%3D0%26dd_ITEM_ADD_DATE%3D5%26mm_ITEM_ADD_DATE%3D9%26yyyy_ITEM_ADD_DATE%3D2020&LOT_ID=198389",
      "familyId": "classical"
    },
    {
      "id": "CNG-612-89",
      "venue": "CNG",
      "auction": "612",
      "lot": "89",
      "reported_date": "2026-07-01",
      "date_basis": "lot sold date",
      "family": "Pi style",
      "denomination": "AR tetradrachm",
      "grade": "Good VF",
      "strike": null,
      "surface": null,
      "notes": "Pi V; worn obverse die; 17.15g",
      "amount": 350,
      "currency": "USD",
      "price_basis": "hammer",
      "buyer_premium_rate": 0.2,
      "buyer_price_before_tax_shipping": 420,
      "cohort": "other families",
      "evidence": "auction reported sold",
      "checked_on": "2026-09-17",
      "source_url": "https://www.cngcoins.com/Lot.aspx?BACK_URL=%2FLots.aspx%3FIS_ADVANCED%3D1%26SEARCH_IN_CONTAINER_TYPE_ID_1%3D1%26SEARCH_IN_CONTAINER_TYPE_ID_2%3D1%26SEARCH_IN_CONTAINER_TYPE_ID_3%3D1%26SEARCH_IN_CONTAINER_TYPE_ID_4%3D0%26TABS_TYPE%3D2%26CONTAINER_TYPE_ID%3D2%26SEARCH_IN_ITEM_ADD_DATE%3D1%26mm_ITEM_ADD_DATE%3D4%26dd_ITEM_ADD_DATE%3D3%26yyyy_ITEM_ADD_DATE%3D2026%26VIEW_TYPE%3D0%26MAX_COUNT%3D10000%26PAGE_NUM%3D200&LOT_ID=199709",
      "familyId": "pi"
    },
    {
      "id": "CNG-613-160",
      "venue": "CNG",
      "auction": "613",
      "lot": "160",
      "reported_date": "2026-07-15",
      "date_basis": "lot sold date",
      "family": "Quadridigite",
      "denomination": "AR tetradrachm",
      "grade": "VF",
      "strike": null,
      "surface": null,
      "notes": "Deposits, marks and scrapes; 17.15g; Pitchfork provenance",
      "amount": 475,
      "currency": "USD",
      "price_basis": "hammer",
      "buyer_premium_rate": 0.2,
      "buyer_price_before_tax_shipping": 570,
      "cohort": "other families",
      "evidence": "auction reported sold",
      "checked_on": "2026-09-17",
      "source_url": "https://cngcoins.com/Lot.aspx?BACK_URL=%2FLots.aspx%3FCONTAINER_NAME%3D%26CONTAINER_TYPE_ID%3D2%26IS_ADVANCED%3D1%26ITEM_DESC%3DAthens%2Btetradrachm%26ITEM_IS_SOLD%3D1%26MAX_COUNT%3D10000%26PAGE%3D14%26PAGE_NUM%3D200%26SEARCH_IN_CONTAINER_TYPE_ID_1%3D1%26SEARCH_IN_CONTAINER_TYPE_ID_2%3D1%26SEARCH_IN_CONTAINER_TYPE_ID_3%3D1%26SEARCH_IN_CONTAINER_TYPE_ID_4%3D1%26TABS_TYPE%3D2%26VIEW_TYPE%3D0&LOT_ID=201460",
      "familyId": "late-old"
    },
    {
      "id": "Heritage-61626-23039",
      "venue": "Heritage",
      "auction": "61626",
      "lot": "23039",
      "reported_date": "2026-06-07",
      "date_basis": "lot sold date",
      "family": "Classical mass issue",
      "denomination": "AR tetradrachm",
      "grade": "Choice VF",
      "strike": 5,
      "surface": 4,
      "notes": "Full Crest; star; brushed",
      "amount": 3416,
      "currency": "USD",
      "price_basis": "includes buyer premium",
      "buyer_premium_rate": 0.22,
      "buyer_price_before_tax_shipping": 3416,
      "cohort": "full crest examples",
      "evidence": "auction reported sold",
      "checked_on": "2026-09-17",
      "source_url": "https://coins.ha.com/itm/ancients/greek/greek-attica-athens-ca-440-404-bc-ar-tetradrachm-24mm-1718-gm-4h-ngc-choice-vfand-9733-5-5-4-5-full-crest-brushed/a/61626-23039.s",
      "familyId": "classical"
    },
    {
      "id": "Heritage-232617-64024",
      "venue": "Heritage",
      "auction": "232617",
      "lot": "64024",
      "reported_date": "2026-04-22",
      "date_basis": "lot sold date",
      "family": "Classical mass issue",
      "denomination": "AR tetradrachm",
      "grade": "AU",
      "strike": 5,
      "surface": 4,
      "notes": "Full Crest",
      "amount": 3172,
      "currency": "USD",
      "price_basis": "includes buyer premium",
      "buyer_premium_rate": 0.22,
      "buyer_price_before_tax_shipping": 3172,
      "cohort": "full crest examples",
      "evidence": "auction reported sold",
      "checked_on": "2026-09-17",
      "source_url": "https://coins.ha.com/itm/ancients/greek/greek-attica-athens-ca-440-404-bc-ar-tetradrachm-23mm-1718-gm-11h-ngc-au-5-5-4-5-full-crest/a/232617-64024.s",
      "familyId": "classical"
    },
    {
      "id": "Heritage-61626-23038",
      "venue": "Heritage",
      "auction": "61626",
      "lot": "23038",
      "reported_date": "2026-06-07",
      "date_basis": "lot sold date",
      "family": "Classical mass issue",
      "denomination": "AR tetradrachm",
      "grade": "AU",
      "strike": 5,
      "surface": 4,
      "notes": "Full Crest",
      "amount": 2928,
      "currency": "USD",
      "price_basis": "includes buyer premium",
      "buyer_premium_rate": 0.22,
      "buyer_price_before_tax_shipping": 2928,
      "cohort": "full crest examples",
      "evidence": "auction reported sold",
      "checked_on": "2026-09-17",
      "source_url": "https://coins.ha.com/itm/ancients/greek/greek-attica-athens-ca-440-404-bc-ar-tetradrachm-24mm-1715-gm-10h-ngc-au-5-5-4-5-full-crest/a/61626-23038.s",
      "familyId": "classical"
    },
    {
      "id": "Heritage-232635-64024",
      "venue": "Heritage",
      "auction": "232635",
      "lot": "64024",
      "reported_date": "2026-08-27",
      "date_basis": "archive auction end date",
      "family": "Pi style",
      "denomination": "AR tetradrachm",
      "grade": "MS",
      "strike": 4,
      "surface": 4,
      "notes": "353–294 BCE catalogue range",
      "amount": 793,
      "currency": "USD",
      "price_basis": "includes buyer premium",
      "buyer_premium_rate": 0.22,
      "buyer_price_before_tax_shipping": 793,
      "cohort": "other families",
      "evidence": "auction reported sold",
      "checked_on": "2026-09-17",
      "source_url": "https://coins.ha.com/c/search/results.zx?archive_state=5327&auction_name=232635&auction_year=2026&dept=1909&ic4=OtherResults-SampleItem-AuctionNo-051517&mode=archive&sold_status=1526~1524",
      "familyId": "pi"
    },
    {
      "id": "Heritage-232635-64025",
      "venue": "Heritage",
      "auction": "232635",
      "lot": "64025",
      "reported_date": "2026-08-27",
      "date_basis": "archive auction end date",
      "family": "Pi style",
      "denomination": "AR tetradrachm",
      "grade": "Choice AU",
      "strike": 3,
      "surface": 3,
      "notes": "353–294 BCE catalogue range",
      "amount": 549,
      "currency": "USD",
      "price_basis": "includes buyer premium",
      "buyer_premium_rate": 0.22,
      "buyer_price_before_tax_shipping": 549,
      "cohort": "other families",
      "evidence": "auction reported sold",
      "checked_on": "2026-09-17",
      "source_url": "https://coins.ha.com/c/search/results.zx?archive_state=5327&auction_name=232635&auction_year=2026&dept=1909&ic4=OtherResults-SampleItem-AuctionNo-051517&mode=archive&sold_status=1526~1524",
      "familyId": "pi"
    },
    {
      "id": "Heritage-61541-25003",
      "venue": "Heritage",
      "auction": "61541",
      "lot": "25003",
      "reported_date": "2026-08-31",
      "date_basis": "archive auction end date",
      "family": "New Style",
      "denomination": "AR tetradrachm",
      "grade": "Fine",
      "strike": 5,
      "surface": 2,
      "notes": "2nd–1st centuries BCE; exact issue not normalized",
      "amount": 610,
      "currency": "USD",
      "price_basis": "includes buyer premium",
      "buyer_premium_rate": 0.22,
      "buyer_price_before_tax_shipping": 610,
      "cohort": "other families",
      "evidence": "auction reported sold",
      "checked_on": "2026-09-17",
      "source_url": "https://coins.ha.com/c/search/results.zx?archive_state=5327&auction_name=61541&auction_year=2026&dept=1909&ic5=CatalogHome-ActionArea-Cover-071515&mode=archive&sold_status=1526~1524",
      "familyId": "new"
    },
    {
      "id": "Heritage-61541-25011",
      "venue": "Heritage",
      "auction": "61541",
      "lot": "25011",
      "reported_date": "2026-08-31",
      "date_basis": "archive auction end date",
      "family": "New Style",
      "denomination": "AR tetradrachm",
      "grade": "Choice XF",
      "strike": 5,
      "surface": 2,
      "notes": "2nd–1st centuries BCE; exact issue not normalized",
      "amount": 1464,
      "currency": "USD",
      "price_basis": "includes buyer premium",
      "buyer_premium_rate": 0.22,
      "buyer_price_before_tax_shipping": 1464,
      "cohort": "other families",
      "evidence": "auction reported sold",
      "checked_on": "2026-09-17",
      "source_url": "https://coins.ha.com/c/search/results.zx?archive_state=5327&auction_name=61541&auction_year=2026&dept=1909&ic5=CatalogHome-ActionArea-Cover-071515&mode=archive&sold_status=1526~1524",
      "familyId": "new"
    },
    {
      "id": "Heritage-61626-23036",
      "venue": "Heritage",
      "auction": "61626",
      "lot": "23036",
      "reported_date": "2026-06-07",
      "date_basis": "lot sold date",
      "family": "Early classical / Starr V",
      "denomination": "AR tetradrachm",
      "grade": "Choice AU",
      "strike": 5,
      "surface": 3,
      "notes": "465–455 BCE catalogue range; Penn/NAC provenance; hematite toning",
      "amount": 2928,
      "currency": "USD",
      "price_basis": "includes buyer premium",
      "buyer_premium_rate": 0.22,
      "buyer_price_before_tax_shipping": 2928,
      "cohort": "other families",
      "evidence": "auction reported sold",
      "checked_on": "2026-09-17",
      "source_url": "https://coins.ha.com/itm/ancients/greek/greek-attica-athens-ca-465-455-bc-ar-tetradrachm-25mm-1696-gm-1h-ngc-choice-au-5-5-3-5/a/61626-23036.s",
      "familyId": "early-classical"
    },
    {
      "id": "Heritage-232616-63054",
      "venue": "Heritage",
      "auction": "232616",
      "lot": "63054",
      "reported_date": "2026-04-15",
      "date_basis": "lot sold date",
      "family": "Early classical / Starr IV",
      "denomination": "AR tetradrachm",
      "grade": "Choice VF",
      "strike": 4,
      "surface": 3,
      "notes": "475–465 BCE catalogue range; scuffs",
      "amount": 1464,
      "currency": "USD",
      "price_basis": "includes buyer premium",
      "buyer_premium_rate": 0.22,
      "buyer_price_before_tax_shipping": 1464,
      "cohort": "other families",
      "evidence": "auction reported sold",
      "checked_on": "2026-09-17",
      "source_url": "https://coins.ha.com/itm/ancients/greek/greek-attica-athens-ca-475-465-bc-ar-tetradrachm-24mm-1722-gm-1h-ngc-choice-vf-4-5-3-5-scuffs/a/232616-63054.s",
      "familyId": "early-classical"
    },
    {
      "id": "Heritage-3130-36022",
      "venue": "Heritage",
      "auction": "3130",
      "lot": "36022",
      "reported_date": "2026-01-22",
      "date_basis": "lot sold date",
      "family": "Archaic",
      "denomination": "AR tetradrachm",
      "grade": "VF",
      "strike": 4,
      "surface": 5,
      "notes": "Seltman C; catalogue 510/500–480 BCE; flan flaw; light-weight 16.38g",
      "amount": 6710,
      "currency": "USD",
      "price_basis": "includes buyer premium",
      "buyer_premium_rate": 0.22,
      "buyer_price_before_tax_shipping": 6710,
      "cohort": "other families",
      "evidence": "auction reported sold",
      "checked_on": "2026-09-17",
      "source_url": "https://coins.ha.com/itm/ancients/greek/greek-attica-athens-ca-510-500-480-bc-ar-light-weight-specimen-tetradrachm-21mm-1638-gm-11h-ngc-vf-4-5-5-/a/3130-36022.s",
      "familyId": "archaic"
    },
    {
      "id": "eBay-listing-267600423498",
      "venue": "eBay",
      "auction": "listing",
      "lot": "267600423498",
      "reported_date": "2026-07-02",
      "date_basis": "lot sold date",
      "family": "Classical mass issue",
      "denomination": "AR tetradrachm",
      "grade": "AU",
      "strike": null,
      "surface": null,
      "notes": "Sold banner; or Best Offer; relisted-item notice. Actual accepted offer and completed payment not verified. NGC certificate 8233610-215.",
      "amount": 2338.2,
      "currency": "USD",
      "price_basis": "public displayed price; actual transaction unverified",
      "buyer_premium_rate": null,
      "buyer_price_before_tax_shipping": null,
      "cohort": "eBay unverified",
      "evidence": "public sold listing with Best Offer",
      "checked_on": "2026-09-17",
      "source_url": "https://www.ebay.com/itm/267600423498",
      "familyId": "classical"
    },
    {
      "id": "eBay-listing-318418658588",
      "venue": "eBay",
      "auction": "listing",
      "lot": "318418658588",
      "reported_date": "2026-08-01",
      "date_basis": "lot sold date",
      "family": "Pi style",
      "denomination": "AR tetradrachm",
      "grade": "Choice AU",
      "strike": null,
      "surface": null,
      "notes": "Sold banner; no Best Offer displayed in retrieved page; actual payment not verified. Shipping displayed $5.99. Title gives 353–294 BCE; item-condition field says AU58, not adopted as an ancient-coin grade.",
      "amount": 999.99,
      "currency": "USD",
      "price_basis": "public displayed price; actual transaction unverified",
      "buyer_premium_rate": null,
      "buyer_price_before_tax_shipping": null,
      "cohort": "eBay unverified",
      "evidence": "public sold listing",
      "checked_on": "2026-09-17",
      "source_url": "https://www.ebay.com/itm/318418658588",
      "familyId": "pi"
    }
  ]
}