The 1994 United States Mint Clad Proof Coin Set includes coins of various denominations such as 1 cent, 5 cents, 10 cents, 25 cents, and 50 cents. These coins are made of mixed compositions and have been struck in proof condition by the US Mint in San Francisco. The set also comes with a Certificate of Authenticity from the United States Mint, making it a valuable addition to any coin collection.