Check the listing for details. 1999 State Quarter Clad Proof Set U.S. Mint Packaging OGP COA. Listed at 11.50 USD. This official 1999 U.S. Mint 5 coin State Quarter Proof Set contains all five Statehood quarter issues, featuring designs honoring Delaware, Pennsylvania, New Jersey, Georgia, and Connecticut. All coins bear the San Francisco "S" mint mark, and feature extra sharp images and mirror-like surfaces. The coins are all copper-nickel clad. Comes with the original U.S. Mint packaging, including a certificate of authenticity. These sets were made in 1999 and are not brand new. The packaging may show signs of wear such as minor folds and scrapes. The images used for this listing are stock photos. Your purchase is guaranteed to match the quality of the product shown. Coin TypeU.S. Mint State Quarter Proof SetDenomination25CDate1999Mint MarkSGradeProof