The 2006 State Quarter Clad Proof Set in United States Mint Packaging includes coins that are uncirculated and struck in copper-nickel clad composition. This set includes quarters from the year 2006, minted in San Francisco, with certification from the U.S. Mint. Each coin comes with a Certificate of Authenticity (COA) and is housed in original government packaging (OGP). Perfect for collectors looking to add a complete set of state quarters to their collection.