The 1971-S US Mint Proof Set 5 Coin Set OGP is a rare and valuable collection of uncirculated coins minted in San Francisco. This set includes coins with denominations of 1 cent, 5 cents, 10 cents, 25 cents, and 50 cents, all composed of copper. Packaged in original government packaging, these coins are certified by the U.S. Mint and feature a proof strike type, making them highly sought after by collectors of US coins.