1940-1949

United States #939 - 3¢ Merchant Marine Plate Block*Plate number and position may vary from image shown.

United States #943 - 3¢ Smithsonian Institute Plate Block*Plate number and position may vary from image shown.

United States #941 - 3¢ Tennessee Statehood Plate Block*Plate number and position may vary from image shown.

United States #949 - 3¢ Doctors Plate Block*Plate number and position may vary from image shown.

United States #952 - 3¢ Everglades National Park Plate Block *Plate number and position may vary from image shown.

United States #946 - 3¢ Joseph Pulitzer Plate Block*Plate number and position may vary from image shown.

United States #947 - 3¢ Stamp Centenary Plate Block*Plate number and position may vary from image shown.

United States #945 - 3¢ Thomas A. Edison Plate Block*Plate number and position may vary from image shown.

United States #951 - 3¢ U.S. Frigate Constitution Plate Block *Plate number and position may vary from image shown.

United States #954 - 3¢ California Gold Rush Centennial Plate Block *Plate number and position may vary from image shown.

United States #969 - 3¢ Gold Star Mothers Plate Block*Plate number and position may vary from image shown.

United States #955 - 3¢ Mississippi Territory Plate Block*Plate number and position may vary from image shown.