The 1964 D Washington Quarters 25c 90% Silver Coin is a circulated coin minted in Denver in 1964. It is composed of 90% silver and features a business strike type. This United States coin bears the image of George Washington on the obverse and is uncertified, making it a valuable addition to any coin collection. Its historical significance and high silver content make it a sought-after piece for numismatists and collectors alike.