Muri Bhalissa: L-Istati Uniti - Bolol tal-posta ta' l-ajru (1918 - 2012) - 5 bolol.
27. April WM: Xejn Perforazzjoni: 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. May WM: Xejn Perforazzjoni: 11
![[William T.Piper, Tip CW]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/CW-s.jpg)
21. June WM: Xejn Perforazzjoni: 11
![[Antarctic Treaty, Tip CX]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/CX-s.jpg)
12. October WM: Xejn Perforazzjoni: 11
![[America PUAS - First Americans Crossed over from Asia, Tip CY]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/CY-s.jpg)
Muri Bhalissa: L-Istati Uniti - Bolol tal-posta ta' l-ajru (1918 - 2012) - 5 bolol.
27. April WM: Xejn Perforazzjoni: 11
17. May WM: Xejn Perforazzjoni: 11
21. June WM: Xejn Perforazzjoni: 11
12. October WM: Xejn Perforazzjoni: 11