{"product_id":"1981-u-s-denver-mint-quarter-filled-in-d-error-coin","title":"1981 U.S. Denver Mint Quarter Filled In 'D' Error Coin","description":"This 1981 United States quarter from the Denver Mint features a notable error with the filled-in mint mark. It is composed primarily of copper and presented in a protective holder.","brand":"Coin Collectables","offers":[{"title":"Beige","offer_id":57714586452316,"sku":null,"price":129.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1016\/5885\/3724\/files\/p1_48388f00-c035-49bd-b0e4-1c2031f20efb.jpg?v=1780923909","url":"https:\/\/coincollectables.uk\/products\/1981-u-s-denver-mint-quarter-filled-in-d-error-coin","provider":"Coin Collectables","version":"1.0","type":"link"}