{"product_id":"1991-silver-proof-fifty-dollars-k-67-hein","title":"1991 SILVER PROOF FIFTY DOLLARS K - 67 HEIN","description":"1991 Silver Proof Fifty Dollars coin, graded K-67 by HEIN. This exceptional specimen represents premium numismatic craftsmanship from its year of issue. The proof finish delivers mirror-like fields with frosted design elements, characteristic of silver proofs from this era. Ideal for serious collectors seeking certified examples with strong eye appeal and investment potential. Perfect addition to any silver coin collection or portfolio of commemorative coinage.","brand":"Cambridgeshire Coins","offers":[{"title":"Default Title","offer_id":57623342481781,"sku":null,"price":102.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0165\/3024\/3648\/files\/Scan255.png?v=1791021753","url":"https:\/\/www.cambridgeshirecoins.com\/en-us\/products\/1991-silver-proof-fifty-dollars-k-67-hein","provider":"Cambridgeshire Coins ","version":"1.0","type":"link"}