{"slug":"nicolaas-johannes-roosenboom","artist_id":"3a275f2e-01a5-4687-8f1f-d1c6cd39c427","canonical_slug":"nicolaas-johannes-roosenboom","name":"Nicolaas Johannes Roosenboom","built_at":"2026-11-02","categories":[{"bucket":"Works on Paper","lots_n":1,"sold_n":1,"median_price_usd_minor":70200,"record_price_usd_minor":70200,"record_basis":"premium","priced_lots_hammer_only":0,"priced_lots_unverified":0,"sell_through_pct":null,"last_sale_date":"2000-07-04","first_sale_year":2000},{"bucket":"Masterpieces","lots_n":3,"sold_n":3,"median_price_usd_minor":11050923,"record_price_usd_minor":12523639,"record_basis":"premium","priced_lots_hammer_only":0,"priced_lots_unverified":0,"sell_through_pct":null,"last_sale_date":"2021-12-15","first_sale_year":1999},{"bucket":"Other","lots_n":16,"sold_n":14,"median_price_usd_minor":554926,"record_price_usd_minor":2896094,"record_basis":"premium","priced_lots_hammer_only":0,"priced_lots_unverified":0,"sell_through_pct":87.5,"last_sale_date":"2020-11-16","first_sale_year":2007},{"bucket":"Paintings","lots_n":52,"sold_n":37,"median_price_usd_minor":585100,"record_price_usd_minor":12523639,"record_basis":"premium","priced_lots_hammer_only":13,"priced_lots_unverified":1,"sell_through_pct":71.2,"last_sale_date":"2026-05-04","first_sale_year":1990}],"sizes":[{"bucket":"Paintings","size_bucket":"medium","lots_n":12,"sold_n":9,"median_price_usd_minor":655538,"p25_price_usd_minor":358360,"p75_price_usd_minor":886446,"record_price_usd_minor":2250000,"record_basis":"premium","priced_lots_hammer_only":4,"priced_lots_unverified":0,"last_sale_date":"2024-03-07"},{"bucket":"Paintings","size_bucket":"small","lots_n":34,"sold_n":25,"median_price_usd_minor":340170,"p25_price_usd_minor":188339,"p75_price_usd_minor":1020134,"record_price_usd_minor":6066400,"record_basis":"premium","priced_lots_hammer_only":8,"priced_lots_unverified":1,"last_sale_date":"2026-05-04"}],"notable":[{"bucket":"Paintings","year":"2021","total_price_usd":12523639,"priced_basis":"premium"},{"bucket":"Paintings","year":"2000","total_price_usd":11050923,"priced_basis":"premium"},{"bucket":"Works on Paper","year":"2000","total_price_usd":70200,"priced_basis":"premium"}],"last_sold":{"year":"2025","total_price_usd":1097630,"priced_basis":"hammer"},"upcoming_count":1,"content_modified":"2026-11-02","value_block_hash":"dbe4f8df495516dd3a7ccfa31f34a10bfe570aec"}