U.S. Plate Blocks by Year

United States #1824 15¢ Helen Keller & Anne Sullivan Plate Block

United States #1805-10 15¢ Letter Writing - 6 Varieties, Attached Plate Block of 30 Varieties Include: #1805 - "Letters Preserve Memories" #1806 - Claret & multicolor #1807 - "Letters Lift Spirits" #1808 - Green & multicolor #1809 -...

United States #1831 15¢ Organized Labor Plate Block

United States #1825 15¢ Veterans Administration Plate Block

United States #1803 15¢ W.C. Fields Plate Block

United States #1859 19¢ Sequoyah Plate Block

United States #1594 12¢ Freedom of Conscience (Torch) Plate Block*Plate number and position may vary from image shown.

United States #1874 15¢ Everett Dirksen Plate Block*Plate number and position may vary from image shown.

United States #1857 17¢ Rachel Carson Plate Block*Plate number and position may vary from image shown.

United States #1890 18¢ "Waves of Grain" Plate Block of 20

United States #1927 18¢ Alcoholism Plate Block of 20 *Plate number and position may vary from image shown.

United States #1928-31 18¢ American Architecture - 4 Varieties, Attached Plate Block Varieties include: #1928 - New York University Library #1929 - Biltmore House #1930 - Palace of the Arts #1931 - National Farmers Bank *Plate number and position...