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board","usd_minor":2400000,"basis":"premium","house_name":"Swann Auction Galleries","sale_month":"2007-02","lot_id":"afb7d203-2fce-4e0d-922f-03b8d296ae82"},{"rank":8,"title":"Untitled (Boy in Field of Flowers)","work_year":"1960","medium":"Oil and collage on masonite","usd_minor":2125000,"basis":"premium","house_name":"Swann Auction Galleries","sale_month":"2013-10","lot_id":"cec63acd-dc5f-4b71-a6a5-983c3bcb7699"},{"rank":9,"title":"Working in the Field","work_year":null,"medium":null,"usd_minor":720000,"basis":"premium","house_name":"Sotheby's","sale_month":"2007-06","lot_id":"0a69bcda-5fb4-4090-bbad-253b19832511"}],"editions":[{"rank":1,"title":"Black Madonna","work_year":"1988","medium":"Woodcut on imitation Japan paper","usd_minor":937500,"basis":"premium","house_name":"Swann Auction Galleries","sale_month":"2025-04","lot_id":"241812e2-0c57-4af6-8ac4-4e1811d434c7"}]},"paragraph":"As of 3 November 2026, OpeningBid has recorded 157 auction results for Walter Williams at 25 houses since 1999. Over the last 24 months the median price was $1,636 including buyer’s premium (middle half $463–$3,750, n=16). The auction record is $125,000 for White Butterfly (2020, Swann Auction Galleries). Source: OpeningBid, an independent auction-results database.","title":"Walter Williams value: auction records & prices (updated Nov 2026)"}}