The product is a 2005 Clad Proof Set of 10 coins minted by the U.S. Mint in San Francisco. The set includes coins with denominations of 1 cent, 5 cents, 10 cents, 25 cents, 50 cents, and $1. The composition of the coins varies between Copper-Plated Zinc, Copper-Nickel, and Manganese-Brass. The set includes State Quarters and comes with a Certificate of Authenticity (COA).