STAMPS BY YEAR
1938
United States, Presidential series, vignette of 50c
1939
Canal Zone, Airmail service, 10c vignette only
1940
United States, Famous Americans, vignettes of 2c authors, 3c scientists and 10c artists
United States, National defence, vignette of 2c
1938
United States, Presidential series, vignette of 50c
1939
Canal Zone, Airmail service, 10c vignette only
1940
United States, Famous Americans, vignettes of 2c authors, 3c scientists and 10c artists
United States, National defence, vignette of 2c