{"slug":"william-john-hennessy","artist_id":"7f91d534-7c72-4bbe-8350-30980df724bb","canonical_slug":"william-john-hennessy","name":"William John Hennessy","built_at":"2026-11-02","categories":[{"bucket":"Paintings","lots_n":7,"sold_n":6,"median_price_usd_minor":441913,"record_price_usd_minor":4582500,"record_basis":"premium","priced_lots_hammer_only":0,"priced_lots_unverified":1,"sell_through_pct":85.7,"last_sale_date":"2026-06-12","first_sale_year":1993},{"bucket":"Other","lots_n":1,"sold_n":1,"median_price_usd_minor":841883,"record_price_usd_minor":841883,"record_basis":"premium","priced_lots_hammer_only":0,"priced_lots_unverified":0,"sell_through_pct":null,"last_sale_date":"2015-05-27","first_sale_year":2015}],"sizes":[],"notable":[{"bucket":"Paintings","year":"2007","total_price_usd":4582500,"priced_basis":"premium"},{"bucket":"Paintings","year":"2010","total_price_usd":1726790,"priced_basis":"premium"}],"last_sold":{"year":"2026","total_price_usd":650644,"priced_basis":"premium"},"upcoming_count":0,"content_modified":"2026-10-22","value_block_hash":"a1ac73a8096a8d991d278e65f3af6b8dc58a9c61"}