U.S. Mint Stamps by Year

United States #1918 18¢ Landing Mint Single

United States #1931 18¢ National Farmers Bank Mint Single

United States #1928 18¢ New York Univ. Library Mint Single

United States #1930 18¢ Palace of Arts Mint Single

United States #1916 18¢ Probing the Planets Mint Single

United States #1920 18¢ Professional Management Mint Single

United States #1913 18¢ Releasing Boosters Mint Single

United States #1911 18¢ Savings & Loans Assoc. Mint Single

United States #1917 18¢ Shuttle and Rockets Mint Single

United States #1907 18¢ Surrey Mint Single

United States #1938 18¢ Virginia Capes Mint Single

United States #1937 18¢ Yorktown Mint Single