{"slug":"bert-grotjohann","artist_id":"7d8e9089-5dd4-47ae-b2ad-248cffe991e5","canonical_slug":"bert-grotjohann","name":"Bert Grotjohann","built_at":"2026-11-01","categories":[{"bucket":"Other","lots_n":1,"sold_n":1,"median_price_usd_minor":7019,"record_price_usd_minor":7019,"record_basis":"hammer","priced_lots_hammer_only":1,"priced_lots_unverified":0,"sell_through_pct":null,"last_sale_date":"2020-10-29","first_sale_year":2020},{"bucket":"Paintings","lots_n":2,"sold_n":2,"median_price_usd_minor":9366,"record_price_usd_minor":9366,"record_basis":"hammer","priced_lots_hammer_only":2,"priced_lots_unverified":0,"sell_through_pct":null,"last_sale_date":"2020-09-24","first_sale_year":2020}],"sizes":[],"notable":[{"bucket":"Paintings","year":"2020","total_price_usd":9366,"priced_basis":"hammer"},{"bucket":"Paintings","year":"2020","total_price_usd":9366,"priced_basis":"hammer"}],"last_sold":{"year":"2020","total_price_usd":9366,"priced_basis":"hammer"},"upcoming_count":0,"content_modified":"2026-10-22","value_block_hash":"64ae068caf5d8acc4cd96cc9369073a5bb653f5d"}