1980-1999

United States #1821 15¢ Frances Perkins Mint Single

United States #1826 15¢ General Bernardo de Galvez Mint Single

United States #1824 15¢ Helen Keller & Anne Sullivan Mint Single

United States #1807 15¢ Letters Lift Spirits Mint Single

United States #1809 15¢ Letters Shape Opinions Mint Single

United States #1831 15¢ Organized Labor Mint Single

United States #1840 15¢ Penn Academy Mint Single

United States #1838 15¢ Smithsonian Inst. Mint Single

United States #1836 15¢ Tlingit Tribe Mint Single

United States #1825 15¢ Veterans Administration Mint Single

United States #1803 15¢ W.C. Fields Mint Signle

United States #1806 15¢ Write Soon Mint Single