The 2010-S Silver United States Mint Proof Set is a collection of 14 coins, including five $1.00 coins, five $.25 coins, one $.50 coin, one $.10 coin, one $.05 coin, and one $.01 coin. The coins are made of silver and were struck at the San Francisco Mint in proof quality. The set comes with a certificate of authenticity from the U.S. Mint.