2010,KM-492 Country United States Year 2010 Value Quarter Dollar = 25 Cents (0.25 USD) Metal Silver (.999) Weight 155.5 g Diameter 76.2 mm Commemorative issue Grand Canyon National Park Obverse Bust of George Washington to left, value below. Lettering: UNITED STATES OF AMERICA IN GOD WE TRUST LIBERTY P QUARTER DOLLAR Reverse View from inside Grand Canyon looking at Colorado River, date below. ...