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C. Westermann at 9 houses since 2000. Over the last 24 months the median price was $2,413 including buyer’s premium (middle half $1,143–$8,890, n=13). The auction record is $197,957 for ROSEBUD (2016, Christie's). Source: OpeningBid, an independent auction-results database.","title":"H. C. Westermann value: auction records & prices (updated Nov 2026)"}}