The 1972-S United States Mint 5 Coin Proof Set OGP is a collection of uncirculated coins with various denominations, all composed of copper. This set, minted in San Francisco, includes coins struck in proof quality and is certified by the U.S. Mint. Each coin features intricate designs and is a valuable addition to any coin collector's portfolio, showcasing the craftsmanship and artistry of American coinage from that year.