2000,KM-311 Country United States Year 2000 Value 1 Dollar (1 USD) Metal Silver (.900) Weight 26.73 g Diameter 38.1 mm Commemorative issue 200th Anniversary of the Library of Congress Obverse Two books, one is open with its spine resting on the other closed book. The torch of learning appears in the background. Lettering: LIBRARY OF CONGRESS 1800 2000 IN GOD WE TRUST LIBERTY TDR Engraver: Tho ...