Montre maintenant: États-Unis - Timbres poste aérienne (1920 - 1929) - 8 Timbres-poste.
15. août WM: Aucun Perforation: 11
![[Airplane Radiator and Wooden Propeller, type B]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/B-s.jpg)
17. août WM: Aucun Perforation: 11
![[Air service Emblem, type C]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/C-s.jpg)
21. août WM: Aucun Perforation: 11
![[De Havilland Biplane, type D]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/D-s.jpg)
WM: Aucun Perforation: 11
![[Mao of U.S. and Two Mail Planes, type E]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/E-s.jpg)
![[Mao of U.S. and Two Mail Planes, type E1]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/E1-s.jpg)
![[Mao of U.S. and Two Mail Planes, type E2]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/E2-s.jpg)
18. juin WM: Aucun Perforation: 11
![[Lindbergh's "Spirit of St.Louis", type F]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/F-s.jpg)
25. juillet WM: Aucun Perforation: 11
![[Beacon on rocky Mountains, type G]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/G-s.jpg)