This 1999 S US Mint Clad Proof Set includes 9 coins in their original government packaging and comes with a certificate of authenticity. The set includes a quarter with a denomination of 25C, composed of Cupro-Nickel material and struck in proof quality at the San Francisco mint. The coins are in uncirculated condition and have been certified by the US Mint. The set is a great addition to any coin collection and is a perfect way to commemorate the year 1999. The coins are all original and have not been modified in any way. Buy with confidence knowing that you will receive a high-quality, authentic set straight from the US Mint.