The 2001 Denver minting of the United States 1 cent coin, commonly known as the penny, is part of the Lincoln penny series. This coin features a portrait of President Abraham Lincoln on the obverse and the Lincoln Memorial on the reverse. The 2001 P and D mint marks indicate that it was struck at the Philadelphia and Denver mints, respectively. Collectors often seek specific mint marks and years for their rarity and condition, which can significantly affect their value. Rolls of these coins may contain various conditions, with uncirculated examples being more sought after.