{"slug":"robert-sanderson","artist_id":"17b0c823-8b6c-47ef-804e-3757d1fbcf8a","canonical_slug":"robert-sanderson","name":"Robert Sanderson","built_at":"2026-11-03","categories":[{"bucket":"Works on Paper","lots_n":4,"sold_n":2,"median_price_usd_minor":27244,"record_price_usd_minor":35000,"record_basis":"hammer","priced_lots_hammer_only":1,"priced_lots_unverified":1,"sell_through_pct":50.0,"last_sale_date":"2026-09-24","first_sale_year":2024},{"bucket":"Paintings","lots_n":8,"sold_n":6,"median_price_usd_minor":50948,"record_price_usd_minor":460964,"record_basis":"premium","priced_lots_hammer_only":1,"priced_lots_unverified":0,"sell_through_pct":75.0,"last_sale_date":"2022-12-08","first_sale_year":1994}],"sizes":[{"bucket":"Paintings","size_bucket":"small","lots_n":6,"sold_n":5,"median_price_usd_minor":47196,"p25_price_usd_minor":35488,"p75_price_usd_minor":54700,"record_price_usd_minor":133436,"record_basis":"premium","priced_lots_hammer_only":1,"priced_lots_unverified":0,"last_sale_date":"2020-12-09"}],"notable":[{"bucket":"Paintings","year":"2022","total_price_usd":460964,"priced_basis":"premium"},{"bucket":"Paintings","year":"2020","total_price_usd":133436,"priced_basis":"premium"},{"bucket":"Works on Paper","year":"2026","total_price_usd":35000,"priced_basis":"hammer"},{"bucket":"Works on Paper","year":"2024","total_price_usd":19489,"priced_basis":"unverified"}],"last_sold":{"year":"2022","total_price_usd":460964,"priced_basis":"premium"},"upcoming_count":0,"content_modified":"2026-10-22","value_block_hash":"07c49e3827e2575c5e37c23b5babda8e07fa259e"}