The product is a 2015 United States Mint Proof Set with OGP & COA, containing 14 coins that are uncirculated and struck in proof quality at the San Francisco Mint. It is certified by the U.S. Mint, making it a highly sought after collection for numismatists and coin enthusiasts. This set includes a variety of coins from the United States, each with a beautiful proof finish that showcases intricate details and designs. Perfect for collectors looking to add a pristine set of coins to their collection.