Sedaj prikazano: Združene države - Znamke letalske pošte (1918 - 2012) - 5 znamke.
27. april WM: Nič Perforacija: 11
![[Aviation Pioneers - Harriet Quimby & Blériot XI Monoplane, tip CV]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/CV-s.jpg)
![[Aviation Pioneers - Harriet Quimby & Blériot XI Monoplane, tip CV1]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/CV1-s.jpg)
17. maj WM: Nič Perforacija: 11
![[William T.Piper, tip CW]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/CW-s.jpg)
21. junij WM: Nič Perforacija: 11
![[Antarctic Treaty, tip CX]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/CX-s.jpg)
12. oktober WM: Nič Perforacija: 11
![[America PUAS - First Americans Crossed over from Asia, tip CY]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/CY-s.jpg)
