This 1979 Washington Quarter is a rare find for collectors and enthusiasts alike. With a unique "error" filled in the coin, this piece is a must-have for anyone looking to expand their collection. The quarter is composed of silver, has a denomination of 25C, and was minted in Denver. In addition to its rarity, this coin also boasts a business strike type, a silver color, and is uncertified. The Washington Quarter is a great addition to any collection, and this particular piece is sure to impress. Don't miss out on the chance to own this ultra rare error coin.