{"slug":"filip-gruszczynski-2","artist_id":"d340ff33-b5d9-4b86-859a-1b236f75f60e","canonical_slug":"filip-gruszczynski-2","name":"Filip Gruszczyński","built_at":"2026-11-01","categories":[{"bucket":"Works on Paper","lots_n":1,"sold_n":0,"median_price_usd_minor":null,"record_price_usd_minor":null,"record_basis":null,"priced_lots_hammer_only":0,"priced_lots_unverified":0,"sell_through_pct":0.0,"last_sale_date":null,"first_sale_year":2021},{"bucket":"Other","lots_n":2,"sold_n":2,"median_price_usd_minor":54752,"record_price_usd_minor":55195,"record_basis":"hammer","priced_lots_hammer_only":2,"priced_lots_unverified":0,"sell_through_pct":null,"last_sale_date":"2020-08-08","first_sale_year":2017},{"bucket":"Paintings","lots_n":17,"sold_n":12,"median_price_usd_minor":70152,"record_price_usd_minor":106846,"record_basis":"premium","priced_lots_hammer_only":7,"priced_lots_unverified":0,"sell_through_pct":70.6,"last_sale_date":"2026-01-23","first_sale_year":2017}],"sizes":[{"bucket":"Paintings","size_bucket":"medium","lots_n":15,"sold_n":11,"median_price_usd_minor":70077,"p25_price_usd_minor":54813,"p75_price_usd_minor":73634,"record_price_usd_minor":106846,"record_basis":"premium","priced_lots_hammer_only":7,"priced_lots_unverified":0,"last_sale_date":"2026-01-23"}],"notable":[{"bucket":"Paintings","year":"2021","total_price_usd":106846,"priced_basis":"premium"},{"bucket":"Paintings","year":"2025","total_price_usd":97451,"priced_basis":"premium"}],"last_sold":{"year":"2025","total_price_usd":97451,"priced_basis":"premium"},"upcoming_count":0,"content_modified":"2026-11-01","value_block_hash":"5079ab8c5d8b299558977b909a0d7646d77eccb2"}