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
4x 1947 5¢ Douglas DC-4 Skymaster