{"slug":"jean-guillaume-mathiaut","artist_id":"38b7724d-1d7e-41e1-bd59-fdd389d45b7a","canonical_slug":"jean-guillaume-mathiaut","name":"Jean-Guillaume Mathiaut","built_at":"2026-11-03","categories":[{"bucket":"Sculpture & Installation","lots_n":1,"sold_n":1,"median_price_usd_minor":845440,"record_price_usd_minor":845440,"record_basis":"premium","priced_lots_hammer_only":0,"priced_lots_unverified":0,"sell_through_pct":null,"last_sale_date":"2024-12-09","first_sale_year":2024},{"bucket":"Other","lots_n":4,"sold_n":4,"median_price_usd_minor":1025261,"record_price_usd_minor":1791660,"record_basis":"premium","priced_lots_hammer_only":0,"priced_lots_unverified":0,"sell_through_pct":null,"last_sale_date":"2026-07-02","first_sale_year":2026}],"sizes":[],"notable":[{"bucket":"Sculpture & Installation","year":"2024","total_price_usd":845440,"priced_basis":"premium"}],"last_sold":{"year":"2026","total_price_usd":1791660,"priced_basis":"premium"},"upcoming_count":0,"content_modified":"2026-11-02","value_block_hash":"524725cf4ef5d8886da0417215a2c36885941747","value":{"slug":"jean-guillaume-mathiaut","name":"Jean-Guillaume Mathiaut","as_of":"2026-11-03","newest_result_date":"2026-07-02","results_total":5,"houses_total":1,"first_year":2024,"median_24m":{"usd_minor":845440,"p25_usd_minor":557472,"p75_usd_minor":1493050,"n":5,"basis":"premium"},"record":{"title":"Bibliothèque II","work_year":"1975","usd_minor":1791660,"basis":"premium","sale_year":2026,"sale_month":"2026-07","house_name":"PIASA","lot_id":"004ebdec-1561-4716-932c-698ad13177bc"},"by_medium":[],"by_size":[],"methodology_url":"https://www.openingbid.art/methodology/price-data","top10":{"originals":[{"rank":1,"title":"Bibliothèque II","work_year":"1975","medium":"Jean-Guillaume Mathiaut (né en 1975)","usd_minor":1791660,"basis":"premium","house_name":"PIASA","sale_month":"2026-07","lot_id":"004ebdec-1561-4716-932c-698ad13177bc"},{"rank":2,"title":"Bibliothèque I","work_year":"1975","medium":"Jean-Guillaume Mathiaut (né en 1975)","usd_minor":1493050,"basis":"premium","house_name":"PIASA","sale_month":"2026-07","lot_id":"3de28c46-5363-4134-8125-b30c2a56327d"},{"rank":3,"title":"Le throne Elizabeth, chêne massif sculpté","work_year":"1999","medium":"En chêne massif sculpté issu de la tempête 1999 dans la forêt de Fontainebleau","usd_minor":845440,"basis":"premium","house_name":"PIASA","sale_month":"2024-12","lot_id":"60a92951-10ef-4df5-9bcc-25af91ac9af5"},{"rank":4,"title":"Assise La Chiara, chêne","work_year":"1999","medium":"Chêne (oak)","usd_minor":557472,"basis":"premium","house_name":"PIASA","sale_month":"2026-06","lot_id":"8f766edf-3a7f-49eb-8791-9b1645267ecb"},{"rank":5,"title":"Jean-Guillaume Mathiaut (né en 1975)","work_year":"2020","medium":"Chêne massif","usd_minor":446343,"basis":"premium","house_name":"PIASA","sale_month":"2026-06","lot_id":"c2bd2b07-ee18-4e3a-b82e-bbe23aebf003"}],"editions":[]},"paragraph":"As of 3 November 2026, OpeningBid has recorded 5 auction results for Jean-Guillaume Mathiaut at 1 houses since 2024. Over the last 24 months the median price was $8,454 including buyer’s premium (middle half $5,575–$14,931, n=5). The auction record is $17,917 for Bibliothèque II (2026, PIASA). Source: OpeningBid, an independent auction-results database.","title":"Jean-Guillaume Mathiaut value: auction records & prices (updated Nov 2026)"}}