The product is a 1992 D Columbus Quincentenary Commemorative Proof Silver Dollar issued by the United States Mint in Denver. This coin is made of modern silver with a fineness of 0.9 and features a proof strike type, making it a desirable collectible for coin enthusiasts. The coin celebrates the 500th anniversary of Columbus' voyage and comes with a certificate of authenticity from the U.S. Mint, adding to its value and historical significance.