The 1992 Uncirculated Coin Set from the United States Mint includes coins with D & P marks, struck in proof condition at the Philadelphia Mint in 1981. This set is ungraded and certified by the U.S. Mint, making it a valuable addition to any coin collection. These coins, with a year of 1992, are guaranteed to be in pristine uncirculated condition and come directly from the mint in their original packaging.