Shop Stamps By Year

United States #1925 18¢ Disabled Persons Plate Block

United States #1981 18¢ Disabled Persons Mint Sheet of 50 *Plate number and position may vary from image shown.

United States #1920 18¢ Professional Management Plate Block Mint condition, never hinged. *Plate number and position may vary from image shown.

United States #1920 18¢ Professional Management Mint Single

United States #1919 18¢ Comprehending the Universe Mint Single

United States #1918 18¢ Landing Mint Single

United States #1917 18¢ Shuttle and Rockets Mint Single

United States #1916 18¢ Probing the Planets Mint Single

United States #1914 18¢ Cooling Electric Systems Mint Single

United States #1913 18¢ Releasing Boosters Mint Single

United States #1911 18¢ Savings & Loans Association Plate Block

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