{"slug":"robert-mathieu","artist_id":"6d37dafe-e055-44ef-8b1f-0ca6964b9217","canonical_slug":"robert-mathieu","name":"Robert Mathieu","built_at":"2026-11-03","categories":[{"bucket":"Sculpture & Installation","lots_n":10,"sold_n":9,"median_price_usd_minor":482600,"record_price_usd_minor":1810246,"record_basis":"premium","priced_lots_hammer_only":0,"priced_lots_unverified":0,"sell_through_pct":90,"last_sale_date":"2026-07-02","first_sale_year":2016},{"bucket":"Masterpieces","lots_n":4,"sold_n":4,"median_price_usd_minor":3083736,"record_price_usd_minor":3774549,"record_basis":"premium","priced_lots_hammer_only":0,"priced_lots_unverified":0,"sell_through_pct":null,"last_sale_date":"2026-06-30","first_sale_year":2017},{"bucket":"Other","lots_n":65,"sold_n":59,"median_price_usd_minor":597220,"record_price_usd_minor":3774549,"record_basis":"premium","priced_lots_hammer_only":5,"priced_lots_unverified":1,"sell_through_pct":90.8,"last_sale_date":"2026-10-14","first_sale_year":2016}],"sizes":[{"bucket":"Sculpture & Installation","size_bucket":"large","lots_n":6,"sold_n":6,"median_price_usd_minor":473958,"p25_price_usd_minor":358332,"p75_price_usd_minor":621969,"record_price_usd_minor":1810246,"record_basis":"premium","priced_lots_hammer_only":0,"priced_lots_unverified":0,"last_sale_date":"2026-07-02"}],"notable":[{"bucket":"Sculpture & Installation","year":"2026","total_price_usd":1810246,"priced_basis":"premium"},{"bucket":"Sculpture & Installation","year":"2023","total_price_usd":1094656,"priced_basis":"premium"}],"last_sold":{"year":"2026","total_price_usd":597220,"priced_basis":"premium"},"upcoming_count":1,"content_modified":"2026-11-03","value_block_hash":"e86a8415c9779fed8f1685c6f7f2cf18e91f1b79","value":{"slug":"robert-mathieu","name":"Robert Mathieu","as_of":"2026-11-03","newest_result_date":"2026-10-14","results_total":68,"houses_total":16,"first_year":2016,"median_24m":{"usd_minor":599107,"p25_usd_minor":313540,"p75_usd_minor":878850,"n":35,"basis":"premium"},"record":{"title":"Lustre à six branches","work_year":"1921","usd_minor":3774549,"basis":"premium","sale_year":2026,"sale_month":"2026-06","house_name":"PIASA","lot_id":"65f7c582-0f5f-4159-be39-b70e7889d52c"},"by_medium":[{"medium":"Other","n":54,"median_usd_minor":598164}],"by_size":[{"band":"Large (over 120 cm)","n":34,"median_usd_minor":693678},{"band":"Medium (50-120 cm)","n":13,"median_usd_minor":565341},{"band":"Small (under 50 cm)","n":8,"median_usd_minor":422432}],"methodology_url":"https://www.openingbid.art/methodology/price-data","top10":{"originals":[{"rank":1,"title":"Lustre à six branches","work_year":"1921","medium":"Métal laqué et textile","usd_minor":3774549,"basis":"premium","house_name":"PIASA","sale_month":"2026-06","lot_id":"65f7c582-0f5f-4159-be39-b70e7889d52c"},{"rank":2,"title":"Lampadaire modèle n°381","work_year":"1959","medium":"Métal laqué, laiton et Plexiglas","usd_minor":3362592,"basis":"premium","house_name":"PIASA","sale_month":"2026-03","lot_id":"32e1f9bf-635d-47ca-bb0d-cdc7c236c6a3"},{"rank":3,"title":"Lampadaire modèle N°361","work_year":"1954","medium":"Métal laqué et laiton","usd_minor":2804880,"basis":"premium","house_name":"PIASA","sale_month":"2025-03","lot_id":"64d0805c-f7eb-4727-b483-436b218692c9"},{"rank":4,"title":"ROBERT MATHIEU (1921-2002)","work_year":"circa 1955","medium":"Cast aluminium wall fixing, white lacquered metal stem, brass elements, white lacquered metal lampshade","usd_minor":2456838,"basis":"premium","house_name":"Tajan","sale_month":"2017-11","lot_id":"f0713f24-aa07-4453-adf6-64b18bb1bb64"},{"rank":5,"title":"Applique","work_year":"circa 1955","medium":"Metal, lacquered aluminium","usd_minor":2368525,"basis":"premium","house_name":"Christie's","sale_month":"2016-05","lot_id":"71dcf776-6a54-449e-a108-b67876f52a3e"},{"rank":6,"title":"Lampadaire modèle n°361 dit 'Pique-fleurs'","work_year":"1955","medium":"Laiton, fonte et aluminium laqué","usd_minor":1810246,"basis":"premium","house_name":"PIASA","sale_month":"2026-03","lot_id":"67ded015-9b4d-4c62-a83e-eba3875f169c"},{"rank":7,"title":"Paire d'appliques modèle 229","work_year":"1921","medium":"Métal laqué et textile","usd_minor":1660802,"basis":"premium","house_name":"PIASA","sale_month":"2026-06","lot_id":"9ac3821d-1f1d-41f3-9281-d50952da920b"},{"rank":8,"title":"Lampadaire à contrepoids","work_year":"1953","medium":"Métal laqué et laiton","usd_minor":1659392,"basis":"premium","house_name":"PIASA","sale_month":"2026-03","lot_id":"fa4aa009-31c8-49bf-93bb-3da87443f148"},{"rank":9,"title":"Lampe de table","work_year":"1950","medium":"Lacquer","usd_minor":1550076,"basis":"premium","house_name":"Sotheby's","sale_month":"2024-05","lot_id":"f40d6785-bbe5-4fad-9bac-ec5e963f7893"},{"rank":10,"title":"Lampadaire mod. 51","work_year":"1950","medium":"Base étoile en fonte laquée noir, corps rétractable en tube de laiton, rotule en laiton","usd_minor":1450021,"basis":"premium","house_name":"Artcurial","sale_month":"2016-05","lot_id":"e884421c-38ce-4ea5-af84-a794f59f2004"}],"editions":[]},"paragraph":"As of 3 November 2026, OpeningBid has recorded 68 auction results for Robert Mathieu at 16 houses since 2016. Over the last 24 months the median price was $5,991 including buyer’s premium (middle half $3,135–$8,789, n=35). The auction record is $37,745 for Lustre à six branches (2026, PIASA). Source: OpeningBid, an independent auction-results database.","title":"Robert Mathieu value: auction records & prices (updated Nov 2026)"}}