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Over the last 24 months the median price was $3,819 including buyer’s premium (middle half $1,649–$5,234, n=6). The auction record is $54,617 for Senta - from Richard Wagner´s \"Flying Dutchman\" (2021, Kunsthaus Lempertz). Source: OpeningBid, an independent auction-results database.","title":"Henry de Groux value: auction records & prices (updated Nov 2026)"}}