{"slug":"riva-helfond","artist_id":"e2a2c007-8276-427c-9a41-5d3b7446ef75","canonical_slug":"riva-helfond-2","name":"Riva Helfond","built_at":"2026-11-01","categories":[{"bucket":"Other","lots_n":2,"sold_n":1,"median_price_usd_minor":37500,"record_price_usd_minor":37500,"record_basis":"unverified","priced_lots_hammer_only":0,"priced_lots_unverified":1,"sell_through_pct":50.0,"last_sale_date":"2014-05-24","first_sale_year":2014},{"bucket":"Paintings","lots_n":3,"sold_n":3,"median_price_usd_minor":162500,"record_price_usd_minor":225000,"record_basis":"premium","priced_lots_hammer_only":0,"priced_lots_unverified":0,"sell_through_pct":null,"last_sale_date":"2024-06-06","first_sale_year":2008},{"bucket":"Prints & Editions","lots_n":7,"sold_n":6,"median_price_usd_minor":105000,"record_price_usd_minor":350000,"record_basis":"premium","priced_lots_hammer_only":0,"priced_lots_unverified":0,"sell_through_pct":85.7,"last_sale_date":"2024-11-19","first_sale_year":2003}],"sizes":[{"bucket":"Prints & Editions","size_bucket":"small","lots_n":7,"sold_n":6,"median_price_usd_minor":105000,"p25_price_usd_minor":79000,"p75_price_usd_minor":188150,"record_price_usd_minor":350000,"record_basis":"premium","priced_lots_hammer_only":0,"priced_lots_unverified":0,"last_sale_date":"2024-11-19"}],"notable":[{"bucket":"Paintings","year":"2023","total_price_usd":225000,"priced_basis":"premium"},{"bucket":"Paintings","year":"2024","total_price_usd":162500,"priced_basis":"premium"},{"bucket":"Prints & Editions","year":"2021","total_price_usd":350000,"priced_basis":"premium"},{"bucket":"Prints & Editions","year":"2024","total_price_usd":214200,"priced_basis":"premium"}],"last_sold":{"year":"2024","total_price_usd":214200,"priced_basis":"premium"},"upcoming_count":0,"content_modified":"2026-11-01","value_block_hash":"218ddad21f0b05a7062b63249b3e7d7e7dc2f2b8"}