{"slug":"aleksander-roszkowski","artist_id":"edd3fd05-76ad-48eb-8e57-8c3a0ff37bd8","canonical_slug":"aleksander-roszkowski","name":"Aleksander Roszkowski","built_at":"2026-11-02","categories":[{"bucket":"Paintings","lots_n":64,"sold_n":44,"median_price_usd_minor":537640,"record_price_usd_minor":1165399,"record_basis":"premium","priced_lots_hammer_only":19,"priced_lots_unverified":0,"sell_through_pct":68.8,"last_sale_date":"2026-06-09","first_sale_year":2015},{"bucket":"Other","lots_n":3,"sold_n":3,"median_price_usd_minor":585933,"record_price_usd_minor":2099586,"record_basis":"premium","priced_lots_hammer_only":0,"priced_lots_unverified":0,"sell_through_pct":null,"last_sale_date":"2024-09-05","first_sale_year":2020},{"bucket":"Works on 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Unicum","sale_month":"2025-08","lot_id":"d91a4358-c070-4943-9b28-47d2f9e6c56d"}],"editions":[]},"paragraph":"As of 2 November 2026, OpeningBid has recorded 47 auction results for Aleksander Roszkowski at 2 houses since 2015. Over the last 24 months the median price was $5,892 including buyer’s premium (middle half $2,578–$8,356, n=12). The auction record is $20,996 for Mare Nostrum (2024, DESA Unicum). Source: OpeningBid, an independent auction-results database.","title":"Aleksander Roszkowski value: auction records & prices (updated Nov 2026)"}}