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Kunstauktionen","sale_month":"2025-12","lot_id":"96ca561f-9761-453a-9bc0-5c01986a6173"},{"rank":9,"title":"Traum","work_year":"1980","medium":"Acrylic on canvas","usd_minor":3945551,"basis":"premium","house_name":"Ketterer Kunst","sale_month":"2021-12","lot_id":"39c493ba-55c8-4ef2-98a4-acacd8ef6782"},{"rank":10,"title":"The Silent Green (Diptych)","work_year":null,"medium":null,"usd_minor":3772754,"basis":"premium","house_name":"Sotheby's","sale_month":"2007-12","lot_id":"97faf7de-cfa7-41d5-8670-f84d2ace4054"}],"editions":[]},"paragraph":"As of 2 November 2026, OpeningBid has recorded 188 auction results for Helmut Middendorf at 28 houses since 1994. Over the last 24 months the median price was $9,995 including buyer’s premium (middle half $6,871–$21,590, n=13). The auction record is $119,776 for Headrunner (2021, Ketterer Kunst). Source: OpeningBid, an independent auction-results database.","title":"Helmut Middendorf value: auction records & prices (updated Nov 2026)"}}