1981 18¢ Edna St. Vincent Millay Mint Single

United States #1926 18¢ Edna St. Vincent Millay Plate Block

United States #1907 18¢ Surrey Mint Single

United States #1937 18¢ Yorktown Mint Single

United States #1927 18¢ Alcoholism Mint Single

United States #1918 18¢ Landing Mint Single

United States #1917 18¢ Shuttle and Rockets Mint Single

United States #1891 18¢ "Shipping Sea" Mint Single

United States #1916 18¢ Probing the Planets Mint Single

United States #1933 18¢ Bobby Jones Mint Single