{"slug":"stefan-mamasterski","artist_id":"077435cc-ec93-4413-bfb7-22835abb2c1f","canonical_slug":"stefan-mamasterski","name":"Stefan Mamasterski","built_at":"2026-11-01","categories":[{"bucket":"Paintings","lots_n":4,"sold_n":3,"median_price_usd_minor":87554,"record_price_usd_minor":92663,"record_basis":"hammer","priced_lots_hammer_only":2,"priced_lots_unverified":0,"sell_through_pct":75.0,"last_sale_date":"2024-07-04","first_sale_year":2021}],"sizes":[],"notable":[{"bucket":"Paintings","year":"2021","total_price_usd":92663,"priced_basis":"hammer"},{"bucket":"Paintings","year":"2024","total_price_usd":87554,"priced_basis":"premium"}],"last_sold":{"year":"2024","total_price_usd":87554,"priced_basis":"premium"},"upcoming_count":0,"content_modified":"2026-10-22","value_block_hash":"c14d7c3c737f25070eccff7fcee9ea2016eb4bda"}