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Wolfensberger, Zurich.","work_year":"1916","medium":"Photograph","usd_minor":450000,"basis":"premium","house_name":"Swann Auction Galleries","sale_month":"2025-02","lot_id":"a5fd2489-272f-4794-ba6f-856ce6c2e74d"},{"rank":10,"title":"PKZ","work_year":"1923","medium":"Poster","usd_minor":435200,"basis":"premium","house_name":"Swann Auction Galleries","sale_month":"2014-04","lot_id":"e42f10ac-5ec5-4646-b9a8-152b93f7971d"}]},"paragraph":"As of 2 November 2026, OpeningBid has recorded 199 auction results for Otto Baumberger at 9 houses since 1992. Over the last 24 months the median price was $3,302 including buyer’s premium (middle half $687–$4,500, n=5). The auction record is $9,600 for RIUNIONE AVIATORIA (2011, Swann Auction Galleries). Source: OpeningBid, an independent auction-results database.","title":"Otto Baumberger value: auction records & prices (updated Nov 2026)"}}