Statele Unite (SUA)
Prezentat acum: Statele Unite (SUA) - Timbre Par Avion (1918 - 2012) - 2 timbre.
1989
The 20th UPU Congress & World Stamp Expo '89
24. Noiembrie WM: Niciunul Perforare: Imperforated
![[The 20th UPU Congress & World Stamp Expo '89, Tip ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/United-States/Airmail-stamps/0113-b.jpg)
1989
The 20th UPU Congress
27. Noiembrie WM: Niciunul Perforare: 11
![[The 20th UPU Congress, Tip ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/United-States/Airmail-stamps/0117-b.jpg)