The 1997 Clad Proof Set U.S. Mint Original Government Packaging (OGP) includes coins with denominations ranging from 1 cent to 50 cents, composed of copper-plated zinc and copper-nickel. Minted in San Francisco, these uncirculated coins bear the signature U.S. Mint certification and come in their original government packaging. This set is a valuable collector's item showcasing the craftsmanship of the United States Mint in the late 20th century.