{"slug":"mathias-joseph-alten","artist_id":"41781342-515a-4ed8-8336-d4f0940b3324","canonical_slug":"mathias-joseph-alten","name":"Mathias Joseph Alten","built_at":"2026-11-01","categories":[{"bucket":"Other","lots_n":1,"sold_n":1,"median_price_usd_minor":300000,"record_price_usd_minor":300000,"record_basis":"premium","priced_lots_hammer_only":0,"priced_lots_unverified":0,"sell_through_pct":null,"last_sale_date":"2017-05-24","first_sale_year":2017},{"bucket":"Paintings","lots_n":18,"sold_n":18,"median_price_usd_minor":453200,"record_price_usd_minor":1035000,"record_basis":"premium","priced_lots_hammer_only":2,"priced_lots_unverified":1,"sell_through_pct":null,"last_sale_date":"2025-12-18","first_sale_year":2007}],"sizes":[{"bucket":"Paintings","size_bucket":"small","lots_n":14,"sold_n":14,"median_price_usd_minor":516700,"p25_price_usd_minor":387350,"p75_price_usd_minor":566125,"record_price_usd_minor":1035000,"record_basis":"premium","priced_lots_hammer_only":2,"priced_lots_unverified":0,"last_sale_date":"2025-12-18"}],"notable":[{"bucket":"Paintings","year":"2007","total_price_usd":1035000,"priced_basis":"premium"},{"bucket":"Paintings","year":"2024","total_price_usd":832000,"priced_basis":"premium"}],"last_sold":{"year":"2025","total_price_usd":406400,"priced_basis":"premium"},"upcoming_count":0,"content_modified":"2026-10-22","value_block_hash":"4726191daee668a0def1b1333204dcd6f76650c6","value":{"slug":"mathias-joseph-alten","name":"Mathias Joseph Alten","as_of":"2026-11-03","newest_result_date":"2025-12-18","results_total":20,"houses_total":9,"first_year":2007,"median_24m":{"usd_minor":406400,"p25_usd_minor":320250,"p75_usd_minor":533400,"n":10,"basis":"premium"},"record":{"title":"Mathias Joseph Alten (1871-1938 Grand Rapids, MI)","work_year":null,"usd_minor":1035000,"basis":"premium","sale_year":2007,"sale_month":"2007-10","house_name":"John Moran Auctioneers","lot_id":"414ff9b1-9da3-4a19-a039-6b840ab531c9"},"by_medium":[{"medium":"Paintings","n":16,"median_usd_minor":393700}],"by_size":[{"band":"Small (under 50 cm)","n":12,"median_usd_minor":516700}],"methodology_url":"https://www.openingbid.art/methodology/price-data","top10":{"originals":[{"rank":1,"title":"Mathias Joseph Alten (1871-1938 Grand Rapids, MI)","work_year":null,"medium":"Oil on board","usd_minor":1035000,"basis":"premium","house_name":"John Moran Auctioneers","sale_month":"2007-10","lot_id":"414ff9b1-9da3-4a19-a039-6b840ab531c9"},{"rank":2,"title":"Sunset over the Water","work_year":"1871","medium":"Oil on canvas laid on board","usd_minor":832000,"basis":"premium","house_name":"Neal Auction Company","sale_month":"2024-04","lot_id":"e4642375-7542-4b0e-b046-311466750dca"},{"rank":3,"title":"Spring Time","work_year":"1919","medium":"Painting","usd_minor":762000,"basis":"premium","house_name":"Toomey & Co.","sale_month":"2025-06","lot_id":"417cfee6-9087-42c6-a407-fb0fb24a1e9c"},{"rank":4,"title":"Hodenpyl Park","work_year":"1917","medium":"Wool","usd_minor":571500,"basis":"premium","house_name":"Toomey & Co.","sale_month":"2025-06","lot_id":"613c9144-4c09-44e9-b9fd-142a4f1aabf3"},{"rank":5,"title":"Autumn Gold","work_year":"1918","medium":"Painting","usd_minor":533400,"basis":"premium","house_name":"Toomey & Co.","sale_month":"2025-06","lot_id":"e07324af-0172-4e5a-909b-8b9931b6a67b"},{"rank":6,"title":"Spring Time","work_year":"1919","medium":"Wool","usd_minor":533400,"basis":"premium","house_name":"Toomey & Co.","sale_month":"2025-06","lot_id":"7fb24e76-b6ff-4818-8e80-f625fbc10631"},{"rank":7,"title":"Valencia Coastline","work_year":null,"medium":"Oil on canvas","usd_minor":500000,"basis":"premium","house_name":"Grogan & Company","sale_month":"2020-11","lot_id":"4e2954af-f124-4735-bc30-06508d737bf5"},{"rank":8,"title":"Untitled (oil on board)","work_year":"1871","medium":"Wool","usd_minor":406400,"basis":"premium","house_name":"Toomey & Co.","sale_month":"2025-06","lot_id":"e751d3f3-e2b4-4890-98a6-4cf08af5326e"},{"rank":9,"title":"Untitled (oil on board)","work_year":"1871","medium":"Wool","usd_minor":406400,"basis":"premium","house_name":"Toomey & Co.","sale_month":"2025-10","lot_id":"c3952caa-d31f-4a19-8a28-cdd2d26970ad"},{"rank":10,"title":"Michigan Pines","work_year":"1914","medium":"Wool","usd_minor":381000,"basis":"premium","house_name":"Toomey & Co.","sale_month":"2025-10","lot_id":"88385075-3ecf-4af2-8da0-21a99a04abdd"}],"editions":[]},"paragraph":"As of 3 November 2026, OpeningBid has recorded 20 auction results for Mathias Joseph Alten at 9 houses since 2007. Over the last 24 months the median price was $4,064 including buyer’s premium (middle half $3,203–$5,334, n=10). The auction record is $10,350 for Mathias Joseph Alten (1871-1938 Grand Rapids, MI) (2007, John Moran Auctioneers). Source: OpeningBid, an independent auction-results database.","title":"Mathias Joseph Alten value: auction records & prices (updated Nov 2026)"}}