Now showing: United States - Airmail stamps (1930 - 1939) - 14 stamps.
10. February WM: None Perforation: 11
![[Winged Globe, type H]](https://swmedia-4cd6.kxcdn.com/media/catalogue/United-States/Airmail-stamps/H-s.jpg)
19. April WM: None Perforation: 11
![[Graf Zeppelin Issue, type I]](https://swmedia-4cd6.kxcdn.com/media/catalogue/United-States/Airmail-stamps/I-s.jpg)
![[Graf Zeppelin Issue, type J]](https://swmedia-4cd6.kxcdn.com/media/catalogue/United-States/Airmail-stamps/J-s.jpg)
![[Graf Zeppelin Issue, type K]](https://swmedia-4cd6.kxcdn.com/media/catalogue/United-States/Airmail-stamps/K-s.jpg)
WM: None Perforation: 10½ x 11
![[Winged Globe, type H1]](https://swmedia-4cd6.kxcdn.com/media/catalogue/United-States/Airmail-stamps/H1-s.jpg)
![[Winged Globe, type H2]](https://swmedia-4cd6.kxcdn.com/media/catalogue/United-States/Airmail-stamps/H2-s.jpg)
2. October WM: None Perforation: 11
![[Zeppelin, type L]](https://swmedia-4cd6.kxcdn.com/media/catalogue/United-States/Airmail-stamps/L-s.jpg)
30. June WM: None Perforation: 10½ x 11
![[Winged Globe, type H3]](https://swmedia-4cd6.kxcdn.com/media/catalogue/United-States/Airmail-stamps/H3-s.jpg)
22. November WM: None Perforation: 11

15. February WM: None Perforation: 11


14. May WM: None Perforation: 11
![[Eagle, type N]](https://swmedia-4cd6.kxcdn.com/media/catalogue/United-States/Airmail-stamps/N-s.jpg)
16. May WM: None Perforation: 11
![[Winged Globe - New edition, type O]](https://swmedia-4cd6.kxcdn.com/media/catalogue/United-States/Airmail-stamps/O-s.jpg)