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canvas","usd_minor":1213150,"basis":"premium","house_name":"Sotheby's","sale_month":"2021-10","lot_id":"870c148c-1f2b-4a99-bb87-aeb786706199"},{"rank":9,"title":"Totem","work_year":"1924","medium":"Painting","usd_minor":1129869,"basis":"premium","house_name":"Bonhams","sale_month":"2021-10","lot_id":"173ea8bc-987a-4905-bcbe-9c8e95f51ffe"},{"rank":10,"title":"La vita, una eruzione vulcanica","work_year":"1924","medium":"Olio su tela","usd_minor":1072750,"basis":"premium","house_name":"Bonhams","sale_month":"2025-03","lot_id":"732e2e03-216d-4628-8012-6ab34bf5f943"}],"editions":[]},"paragraph":"As of 3 November 2026, OpeningBid has recorded 85 auction results for Bertina Lopes at 8 houses since 2019. Over the last 24 months the median price was $2,512 including buyer’s premium (middle half $1,503–$5,540, n=34). The auction record is $31,167 for Eight Still Lifes of Flowers (2022, Sotheby's). Source: OpeningBid, an independent auction-results database.","title":"Bertina Lopes value: auction records & prices (updated Nov 2026)"}}