Zobrazujú sa: Spojené štáty - letecká pošta - známky (1918 - 2012) - 2 známky.
1999
Landscape - Self-Adhesive
WM: nikto Perforácia: Rouletted 11
![[Landscape - Self-Adhesive, typ XAA]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/XAA-s.jpg)
1999
Landscape - Self-Adhesive
30. júl WM: nikto Perforácia: Rouletted 11
![[Landscape - Self-Adhesive, typ XAB]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/XAB-s.jpg)
