The 1950 Denver Mint issue of the 1 cent coin, commonly known as the Lincoln penny, is a notable collectible item among numismatists. This coin was part of the series that features a portrait of President Abraham Lincoln on the obverse and the Lincoln Memorial on the reverse. The Denver mint mark (D) indicates it was produced at the Denver Mint, which is known for striking coins with distinct characteristics. Collectors often seek out specific dates and mint marks, making the 1950 D cents valuable for those building sets or looking for coins in high-grade condition. Rolls of these coins can be sought after for both their collectible value and as an investment in rare numismatic items.