This 1976 D Bicentennial Quarter features an error that makes it unique among its kind. The coin has a grease on drum error, which is a highly sought-after feature by collectors. The coin is circulated, but it does not affect the overall value and desirability of this piece.The quarter is made of copper and has a denomination of 25 cents. It was struck in Denver and has a business strike type. The coin is ungraded and uncertified, but it does not take away from its quality and uniqueness. This rare Washington Quarter is a must-have for any serious coin collector and a great addition to any collection.