STAMPS BY YEAR
1938
United States, Presidential series, vignettes of 4.5c, 25c and 30c
1939
Canal Zone, Airmail service, 30c vignette only
1940
United States, Famous Americans, vignette of 5c educationalists
United States, Idaho, vignette only
United States, National defence, vignette of 3c
1941
United States, Mail plane, vignette only
1938
United States, Presidential series, vignettes of 4.5c, 25c and 30c
1939
Canal Zone, Airmail service, 30c vignette only
1940
United States, Famous Americans, vignette of 5c educationalists
United States, Idaho, vignette only
United States, National defence, vignette of 3c
1941
United States, Mail plane, vignette only