Zobrazujú sa: Spojené štáty - letecká pošta - známky (1920 - 1929) - 8 známky.
15. august WM: nikto Perforácia: 11
![[Airplane Radiator and Wooden Propeller, typ B]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/B-s.jpg)
17. august WM: nikto Perforácia: 11
![[Air service Emblem, typ C]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/C-s.jpg)
21. august WM: nikto Perforácia: 11
![[De Havilland Biplane, typ D]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/D-s.jpg)
WM: nikto Perforácia: 11
![[Mao of U.S. and Two Mail Planes, typ E]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/E-s.jpg)
![[Mao of U.S. and Two Mail Planes, typ E1]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/E1-s.jpg)
![[Mao of U.S. and Two Mail Planes, typ E2]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/E2-s.jpg)
18. jún WM: nikto Perforácia: 11
![[Lindbergh's "Spirit of St.Louis", typ F]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/F-s.jpg)
25. júl WM: nikto Perforácia: 11
![[Beacon on rocky Mountains, typ G]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/G-s.jpg)
