Şimdi gösteriyor: Birleşik Devletler - Hava maili pulları (1918 - 2012) - 4 pullar.
1930
Winged Globe
10. Şubat WM: Hiçbiri Perforasyon: 11
![[Winged Globe, tip H]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/H-s.jpg)
1930
Graf Zeppelin Issue
19. Nisan WM: Hiçbiri Perforasyon: 11
![[Graf Zeppelin Issue, tip I]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/I-s.jpg)
![[Graf Zeppelin Issue, tip J]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/J-s.jpg)
![[Graf Zeppelin Issue, tip K]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/K-s.jpg)
