Dabar rodoma: Jungtinės Valstijos - Oro Pašto ženklai (1918 - 2012) - 3 ženklai.
15. rugpjūtis WM: Niekas Perforacija: 11
![[Airplane Radiator and Wooden Propeller, tipas B]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/B-s.jpg)
17. rugpjūtis WM: Niekas Perforacija: 11
![[Air service Emblem, tipas C]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/C-s.jpg)
21. rugpjūtis WM: Niekas Perforacija: 11
![[De Havilland Biplane, tipas D]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/D-s.jpg)
