The 1968 Clad Proof Set U.S. Mint Original Government Packaging OGP is a rare and valuable coin collection from the United States Mint. This set includes coins of various denominations such as 1C, 5C, 10C, 25C, and 50C, all made with copper alloy, copper-nickel, and silver clad compositions. The coins are uncirculated and strikingly beautiful, making them a coveted item for collectors and investors alike. This set, minted in San Francisco in 1968, comes in its original government packaging, adding to its historical and collectible value.