{"slug":"tadeusz-gronowski","artist_id":"2d8f5f39-a8bd-44b4-8f1e-fad40d30faa5","canonical_slug":"tadeusz-gronowski","name":"Tadeusz Gronowski","built_at":"2026-11-01","categories":[{"bucket":"Works on Paper","lots_n":4,"sold_n":0,"median_price_usd_minor":null,"record_price_usd_minor":null,"record_basis":null,"priced_lots_hammer_only":0,"priced_lots_unverified":0,"sell_through_pct":0,"last_sale_date":null,"first_sale_year":2019},{"bucket":"Other","lots_n":6,"sold_n":4,"median_price_usd_minor":607022,"record_price_usd_minor":888574,"record_basis":"premium","priced_lots_hammer_only":1,"priced_lots_unverified":0,"sell_through_pct":66.7,"last_sale_date":"2025-09-27","first_sale_year":2021},{"bucket":"Paintings","lots_n":6,"sold_n":2,"median_price_usd_minor":775131,"record_price_usd_minor":1025403,"record_basis":"hammer","priced_lots_hammer_only":2,"priced_lots_unverified":0,"sell_through_pct":33.3,"last_sale_date":"2022-12-01","first_sale_year":2022},{"bucket":"Prints & Editions","lots_n":20,"sold_n":6,"median_price_usd_minor":357121,"record_price_usd_minor":888574,"record_basis":"premium","priced_lots_hammer_only":1,"priced_lots_unverified":0,"sell_through_pct":30,"last_sale_date":"2025-09-27","first_sale_year":2011}],"sizes":[{"bucket":"Prints & Editions","size_bucket":"medium","lots_n":15,"sold_n":6,"median_price_usd_minor":357121,"p25_price_usd_minor":312388,"p75_price_usd_minor":638366,"record_price_usd_minor":888574,"record_basis":"premium","priced_lots_hammer_only":1,"priced_lots_unverified":0,"last_sale_date":"2025-09-27"}],"notable":[{"bucket":"Paintings","year":"2022","total_price_usd":1025403,"priced_basis":"hammer"},{"bucket":"Paintings","year":"2022","total_price_usd":524859,"priced_basis":"hammer"},{"bucket":"Prints & Editions","year":"2025","total_price_usd":888574,"priced_basis":"premium"},{"bucket":"Prints & Editions","year":"2024","total_price_usd":726771,"priced_basis":"premium"}],"last_sold":{"year":"2025","total_price_usd":888574,"priced_basis":"premium"},"upcoming_count":0,"content_modified":"2026-11-01","value_block_hash":"9f32f127efe07d63d81a9a1708b672ce3e789e10","value":{"slug":"tadeusz-gronowski","name":"Tadeusz Gronowski","as_of":"2026-11-03","newest_result_date":"2025-09-27","results_total":12,"houses_total":3,"first_year":2014,"median_24m":{"usd_minor":726770,"p25_usd_minor":408808,"p75_usd_minor":848123,"n":6,"basis":"premium"},"record":{"title":"X Rocznica Odparcia Najazdu Rosji Sowieckiej","work_year":"1930","usd_minor":888574,"basis":"premium","sale_year":2025,"sale_month":"2025-09","house_name":"DESA Unicum","lot_id":"97dafafb-d384-41e7-a894-8ecf5d0d5477"},"by_medium":[{"medium":"Prints","n":7,"median_usd_minor":426047}],"by_size":[{"band":"Medium (50-120 cm)","n":7,"median_usd_minor":426047}],"methodology_url":"https://www.openingbid.art/methodology/price-data","top10":{"originals":[{"rank":1,"title":"Tadeusz Gronowski | Zespół Pieśni i Tańca Śląsk, 1970","work_year":null,"medium":"Tempera/brystol","usd_minor":726770,"basis":"premium","house_name":"DESA Unicum","sale_month":"2024-11","lot_id":"bf478da1-b6e9-481b-bc7a-2c3ca17f5bcf"},{"rank":2,"title":"Tadeusz Gronowski | \"Międzynarodowy Festiwal Muzyki Współczesnej. Warszawa 12-20-IX 1959\" - projekt plakatu, 1959","work_year":null,"medium":"Tempera/brystol","usd_minor":302821,"basis":"premium","house_name":"DESA Unicum","sale_month":"2024-11","lot_id":"ee7c91ad-3bd4-4239-99bb-a3153a0041c6"}],"editions":[{"rank":1,"title":"X Rocznica Odparcia Najazdu Rosji Sowieckiej","work_year":"1930","medium":"Litografia kolorowana/papier","usd_minor":888574,"basis":"premium","house_name":"DESA Unicum","sale_month":"2025-09","lot_id":"97dafafb-d384-41e7-a894-8ecf5d0d5477"},{"rank":2,"title":"X Rocznica Odparcia Najazdu Rosji Sowieckiej","work_year":"1930","medium":"Litografia kolorowana/papier","usd_minor":888574,"basis":"premium","house_name":"DESA Unicum","sale_month":"2025-09","lot_id":"72acc5e0-2a69-4ca6-b9bc-0afc7b4382c4"},{"rank":3,"title":"Zespół Pieśni i Tańca Śląsk","work_year":"1970","medium":"Tempera/brystol","usd_minor":726771,"basis":"premium","house_name":"DESA Unicum","sale_month":"2024-11","lot_id":"e3f44ac2-5a54-4c53-a2fb-84ff7a4500ee"},{"rank":4,"title":"Święto twórczych osiągnięć narodu","work_year":"1965","medium":"Tempera/papier","usd_minor":426047,"basis":"premium","house_name":"DESA Unicum","sale_month":"2021-11","lot_id":"0a1974f9-f088-4cd5-8d4e-73236381d812"},{"rank":5,"title":"Projekt plakatu Festiwalu Polskiej Muzyki Ludowej","work_year":"1949","medium":"Ołówek, tempera/brystol","usd_minor":373150,"basis":"premium","house_name":"DESA Unicum","sale_month":"2022-02","lot_id":"849f94df-e507-42c9-a89f-0e77aeb17c32"},{"rank":6,"title":"Międzynarodowy Festiwal Muzyki Współczesnej. Warszawa 12-20-IX 1959","work_year":"1959","medium":"Tempera/brystol","usd_minor":302820,"basis":"premium","house_name":"DESA Unicum","sale_month":"2024-11","lot_id":"d9d8c836-8c5c-41ad-998f-0a1b08df4674"},{"rank":7,"title":"CHALLENGE GORDON BENNETT","work_year":"1934","medium":"Poster","usd_minor":192000,"basis":"premium","house_name":"Swann Auction Galleries","sale_month":"2014-02","lot_id":"7c82c305-9db8-4882-ad63-ed18fa39c618"}]},"paragraph":"As of 3 November 2026, OpeningBid has recorded 12 auction results for Tadeusz Gronowski at 3 houses since 2014. Over the last 24 months the median price was $7,268 including buyer’s premium (middle half $4,088–$8,481, n=6). The auction record is $8,886 for X Rocznica Odparcia Najazdu Rosji Sowieckiej (2025, DESA Unicum). Source: OpeningBid, an independent auction-results database.","title":"Tadeusz Gronowski value: auction records & prices (updated Nov 2026)"}}