{"product_id":"2026-08-11-001-1939-proof-set-in-capital-plastic-display-board","title":"1939 Proof Set . . . . in Capital Plastic Display Board","description":"","brand":"Proof Sets","offers":[{"title":"Default Title","offer_id":43450613727293,"sku":null,"price":1150.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/www.mountvernoncoinco.com\/products\/2026-08-11-001-1939-proof-set-in-capital-plastic-display-board","provider":"Mount Vernon Coin","version":"1.0","type":"link"}