{"slug":"ralph-rosenborg","artist_id":"3ba8ca00-69ce-4af5-b87a-df7eec914d0f","canonical_slug":"ralph-rosenborg","name":"Ralph Rosenborg","built_at":"2026-11-02","categories":[{"bucket":"Other","lots_n":5,"sold_n":5,"median_price_usd_minor":50800,"record_price_usd_minor":92400,"record_basis":"premium","priced_lots_hammer_only":0,"priced_lots_unverified":0,"sell_through_pct":null,"last_sale_date":"2026-09-18","first_sale_year":2026},{"bucket":"Paintings","lots_n":9,"sold_n":8,"median_price_usd_minor":106850,"record_price_usd_minor":475000,"record_basis":"premium","priced_lots_hammer_only":3,"priced_lots_unverified":0,"sell_through_pct":88.9,"last_sale_date":"2024-08-29","first_sale_year":2002},{"bucket":"Prints & Editions","lots_n":1,"sold_n":1,"median_price_usd_minor":67600,"record_price_usd_minor":67600,"record_basis":"premium","priced_lots_hammer_only":0,"priced_lots_unverified":0,"sell_through_pct":null,"last_sale_date":"2009-06-18","first_sale_year":2009},{"bucket":"Works on Paper","lots_n":5,"sold_n":5,"median_price_usd_minor":75000,"record_price_usd_minor":95000,"record_basis":"premium","priced_lots_hammer_only":0,"priced_lots_unverified":0,"sell_through_pct":null,"last_sale_date":"2022-08-13","first_sale_year":2006}],"sizes":[{"bucket":"Paintings","size_bucket":"medium","lots_n":6,"sold_n":5,"median_price_usd_minor":137500,"p25_price_usd_minor":120000,"p75_price_usd_minor":300000,"record_price_usd_minor":475000,"record_basis":"premium","priced_lots_hammer_only":3,"priced_lots_unverified":0,"last_sale_date":"2024-08-29"}],"notable":[{"bucket":"Paintings","year":"2022","total_price_usd":475000,"priced_basis":"premium"},{"bucket":"Paintings","year":"2023","total_price_usd":300000,"priced_basis":"hammer"},{"bucket":"Prints & Editions","year":"2009","total_price_usd":67600,"priced_basis":"premium"},{"bucket":"Works on Paper","year":"2007","total_price_usd":95000,"priced_basis":"premium"},{"bucket":"Works on Paper","year":"2007","total_price_usd":95000,"priced_basis":"premium"}],"last_sold":{"year":"2026","total_price_usd":92400,"priced_basis":"premium"},"upcoming_count":0,"content_modified":"2026-10-29","value_block_hash":"f604a59a9c990c150116b1996ca0645cf23cdf8f","value":{"slug":"ralph-rosenborg","name":"Ralph Rosenborg","as_of":"2026-11-03","newest_result_date":"2026-09-18","results_total":19,"houses_total":6,"first_year":2002,"median_24m":{"usd_minor":50800,"p25_usd_minor":36300,"p75_usd_minor":88900,"n":5,"basis":"premium"},"record":{"title":"Moonlight","work_year":"1913","usd_minor":475000,"basis":"premium","sale_year":2022,"sale_month":"2022-12","house_name":"Swann Auction Galleries","lot_id":"3148dd13-bc0f-471e-ae44-05802e5929df"},"by_medium":[{"medium":"Paintings","n":9,"median_usd_minor":88900},{"medium":"Works on paper","n":6,"median_usd_minor":58434}],"by_size":[{"band":"Small (under 50 cm)","n":8,"median_usd_minor":71300}],"methodology_url":"https://www.openingbid.art/methodology/price-data","top10":{"originals":[{"rank":1,"title":"Moonlight","work_year":"1913","medium":"Oil on canvas","usd_minor":475000,"basis":"premium","house_name":"Swann Auction Galleries","sale_month":"2022-12","lot_id":"3148dd13-bc0f-471e-ae44-05802e5929df"},{"rank":2,"title":"Figures in Forest","work_year":"1913","medium":"Oil on canvas","usd_minor":137500,"basis":"premium","house_name":"Swann Auction Galleries","sale_month":"2022-12","lot_id":"b4ff8c0a-8852-437d-8c43-bcd74f61d72b"},{"rank":3,"title":"Landscape with Blue Mountain and White Clouds","work_year":"1971","medium":"Watercolor on heavy cream wove paper","usd_minor":95000,"basis":"premium","house_name":"Swann Auction Galleries","sale_month":"2007-06","lot_id":"24e4de97-fa79-4cb2-9d8c-b2b9cfe9d448"},{"rank":4,"title":"Landscape with Dark Blue Cloud","work_year":"1990","medium":"Watercolor and gouache on heavy cream wove paper","usd_minor":95000,"basis":"premium","house_name":"Swann Auction Galleries","sale_month":"2007-06","lot_id":"55c06cc9-94b2-4329-9d54-3922707930af"},{"rank":5,"title":"Autumn Hills","work_year":"1913","medium":"Oil on board","usd_minor":93700,"basis":"premium","house_name":"Swann Auction Galleries","sale_month":"2022-12","lot_id":"30078729-2fa5-432b-a6b4-97d374f9ec93"},{"rank":6,"title":"\" 'Sea Growth' - marine study,\" 1957","work_year":"1957","medium":"Oil on canvas","usd_minor":92400,"basis":"premium","house_name":"John Moran Auctioneers","sale_month":"2026-09","lot_id":"c5647a82-a2ef-477d-8c1f-cd356fe91e65"},{"rank":7,"title":"\"Seascape in Reds and Blues,\" 1958","work_year":"1958","medium":"Oil on canvas","usd_minor":88900,"basis":"premium","house_name":"John Moran Auctioneers","sale_month":"2026-09","lot_id":"81d616a5-ccd7-45c3-80ec-bb7400325824"},{"rank":8,"title":"Rising Structures","work_year":null,"medium":"Watercolor","usd_minor":75000,"basis":"premium","house_name":"Swann Auction Galleries","sale_month":"2006-09","lot_id":"84d8a190-e331-4c5d-b531-c3fa6ef64f53"},{"rank":9,"title":"\"Tree House and Moon,\" 1958","work_year":"1958","medium":"Oil on canvas","usd_minor":50800,"basis":"premium","house_name":"John Moran Auctioneers","sale_month":"2026-09","lot_id":"315bcac4-f255-45bb-9aea-15ae1a0641a8"}],"editions":[{"rank":1,"title":"Landscape Forms and Landscape","work_year":"1941","medium":"Etchings","usd_minor":67600,"basis":"premium","house_name":"Swann Auction Galleries","sale_month":"2009-06","lot_id":"31e2a09f-78bf-44ec-9f4f-c4ef8953033a"}]},"paragraph":"As of 3 November 2026, OpeningBid has recorded 19 auction results for Ralph Rosenborg at 6 houses since 2002. Over the last 24 months the median price was $508 including buyer’s premium (middle half $363–$889, n=5). The auction record is $4,750 for Moonlight (2022, Swann Auction Galleries). Source: OpeningBid, an independent auction-results database.","title":"Ralph Rosenborg value: auction records & prices (updated Nov 2026)"}}