The 1978 Clad Proof Set from the U.S. Mint is a collection of uncirculated coins in original government packaging. This set includes coins of various denominations such as 1 cent, 5 cents, 10 cents, 25 cents, 50 cents, and $1. Made of copper alloy and copper-nickel, these proof coins were struck in San Francisco. The set is uncertified and comes with no modifications. Perfect for coin collectors looking to add a piece of American numismatic history to their collection.