{"slug":"willem-heijkoop","artist_id":"4ed3af50-5d45-491f-aa94-5d03d0e839a7","canonical_slug":"willem-heijkoop","name":"Willem Heijkoop","built_at":"2026-11-01","categories":[{"bucket":"Other","lots_n":2,"sold_n":1,"median_price_usd_minor":24542,"record_price_usd_minor":24542,"record_basis":"unverified","priced_lots_hammer_only":0,"priced_lots_unverified":1,"sell_through_pct":50.0,"last_sale_date":"2020-12-22","first_sale_year":2020},{"bucket":"Paintings","lots_n":2,"sold_n":2,"median_price_usd_minor":75570,"record_price_usd_minor":140000,"record_basis":"hammer","priced_lots_hammer_only":2,"priced_lots_unverified":0,"sell_through_pct":null,"last_sale_date":"2025-10-19","first_sale_year":2021}],"sizes":[],"notable":[{"bucket":"Paintings","year":"2021","total_price_usd":140000,"priced_basis":"hammer"},{"bucket":"Paintings","year":"2025","total_price_usd":11140,"priced_basis":"hammer"}],"last_sold":{"year":"2021","total_price_usd":140000,"priced_basis":"hammer"},"upcoming_count":0,"content_modified":"2026-11-01","value_block_hash":"4d736dfee3fb7b7c11cbf3a3086e2d6496bfa3e2"}