Wordt nu getoond: Verenigde Staten van Amerika - Luchtpost Postzegels (1930 - 1939) - 14 postzegels.
10. februari WM: Geen Perforatie: 11
![[Winged Globe, type H]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/H-s.jpg)
19. april WM: Geen Perforatie: 11
![[Graf Zeppelin Issue, type I]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/I-s.jpg)
![[Graf Zeppelin Issue, type J]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/J-s.jpg)
![[Graf Zeppelin Issue, type K]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/K-s.jpg)
WM: Geen Perforatie: 10½ x 11
![[Winged Globe, type H1]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/H1-s.jpg)
![[Winged Globe, type H2]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/H2-s.jpg)
2. oktober WM: Geen Perforatie: 11
![[Zeppelin, type L]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/L-s.jpg)
30. juni WM: Geen Perforatie: 10½ x 11
![[Winged Globe, type H3]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/H3-s.jpg)
22. november WM: Geen Perforatie: 11
![["China Clipper" over the Pacific, type M]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/M-s.jpg)
15. februari WM: Geen Perforatie: 11
![["China Clipper" over the Pacific, type M1]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/M1-s.jpg)
![["China Clipper" over the Pacific, type M2]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/M2-s.jpg)
14. mei WM: Geen Perforatie: 11
![[Eagle, type N]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/N-s.jpg)
16. mei WM: Geen Ontwerp: Alvin R. Meissner Perforatie: 11
![[Winged Globe - New edition, type O]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/O-s.jpg)