{"slug":"john-a-cook","artist_id":"63765d42-cdbb-4e74-92fb-7692ffb06f18","canonical_slug":"john-a-cook","name":"A John Cook","built_at":"2026-11-01","categories":[{"bucket":"Paintings","lots_n":1,"sold_n":1,"median_price_usd_minor":42500,"record_price_usd_minor":42500,"record_basis":"hammer","priced_lots_hammer_only":1,"priced_lots_unverified":0,"sell_through_pct":null,"last_sale_date":"2012-06-15","first_sale_year":2012},{"bucket":"Works on Paper","lots_n":28,"sold_n":26,"median_price_usd_minor":37500,"record_price_usd_minor":213300,"record_basis":"premium","priced_lots_hammer_only":0,"priced_lots_unverified":11,"sell_through_pct":92.9,"last_sale_date":"2024-10-16","first_sale_year":1995},{"bucket":"Other","lots_n":2,"sold_n":2,"median_price_usd_minor":49050,"record_price_usd_minor":88100,"record_basis":"premium","priced_lots_hammer_only":0,"priced_lots_unverified":0,"sell_through_pct":null,"last_sale_date":"2024-12-21","first_sale_year":2002}],"sizes":[{"bucket":"Works on Paper","size_bucket":"small","lots_n":25,"sold_n":23,"median_price_usd_minor":37500,"p25_price_usd_minor":29400,"p75_price_usd_minor":58800,"record_price_usd_minor":213300,"record_basis":"premium","priced_lots_hammer_only":0,"priced_lots_unverified":10,"last_sale_date":"2024-10-16"}],"notable":[{"bucket":"Paintings","year":"2012","total_price_usd":42500,"priced_basis":"hammer"},{"bucket":"Works on Paper","year":"2009","total_price_usd":213300,"priced_basis":"premium"},{"bucket":"Works on Paper","year":"2009","total_price_usd":213300,"priced_basis":"premium"}],"last_sold":{"year":"2017","total_price_usd":50000,"priced_basis":"unverified"},"upcoming_count":0,"content_modified":"2026-11-01","value_block_hash":"2015226f790cb24a75d2ed2445576861e2961ede"}