This 1999 S Proof State Quarter Set Box from Dave's Collectible Coins includes five uncirculated coins of the Cupro-Nickel composition, with a denomination of 25c. The set is a proof type strike that was minted in San Francisco, United States. It comes with a certification from the U.S. Mint and a COA. The State Quarters set is perfect for collectors of Coins: US and Coins & Paper Money. The set is from 1999, making it a great addition to the State Quarters (1999-2008) and Quarters collections. The packaging may show some wear, but the coins are in excellent condition.