USA - 1940s

1940 2¢ 90-millimeter Anti-aircraft Gun

1943 5¢ Flag of Belgium

1943 5¢ Flag of France

1943 5¢ Flag of the Netherlands

1943 5¢ Flag of Norway

1943 5¢ Flag of Poland

1943 5¢ Flag of Yugoslavia

1944 3¢ 50th Anniversary of Motion Pictures

1944 3¢ 75th Anniversary of First Transcontinental Railway

1944 3¢ Defense of Corregidor, Manilla Bay

1945 3¢ Roosevelt and the White House

1946 3¢ Centenary of Smithsonian Institution
"For the increase and diffusion of knowledge among men"

4x 1947 5¢ Douglas DC-4 Skymaster

1948 3¢ Honoring William Allen White (1868 - 1944)

1948 3¢ Oregon Territory Centennial - John McLoughlin (1784 - 1857) and Jason Lee (1803 - 1845)

1949 3¢ Death Centenary of Edgar Allan Poe (1809 - 1849)