This rare 1973 D Error Lincoln Penny Cent is a must-have for any coin collector. It features a unique error that sets it apart from other coins. The coin is composed of copper and was struck in Denver. It is ungraded and uncertified, but still holds its value. The coin also has a rare memorial die obstruct that adds to its overall appeal. This small cent is a great addition to any collection and is a true gem for collectors of US coins.