The 1776-1976 D US Bicentennial Quarter is a unique coin that was minted in Denver, Colorado to commemorate the 200th anniversary of the United States. This particular coin features a filled Mint Mark,and many other qualities, making it a rare find for collectors. With a composition of 75% copper and 25% nickel,possibly silver, this coin showcases the intricate design of Washington on the obverse and the Great Seal of the United States on the reverse. This business strike coin, uncirculated and uncertified, is a valuable piece of American numismatic history.