This is a 2017 Annual US Mint Uncirculated Coin Set, which includes 20 coins and a COA. The coins were minted in Philadelphia and Denver and are ungraded. This set features a variety of coins, including quarters, dimes, pennies, and nickels. The coins are in uncirculated condition and come with a U.S. Mint certification. This is a great addition to any coin collection and a must-have for any coin enthusiast.