Sedaj prikazano: Združene države - Znamke letalske pošte (1990 - 1999) - 2 znamke.
1999
Landscape - Self-Adhesive
WM: Nič Perforacija: Rouletted 11
![[Landscape - Self-Adhesive, tip XAA]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/XAA-s.jpg)
1999
Landscape - Self-Adhesive
30. julij WM: Nič Perforacija: Rouletted 11
![[Landscape - Self-Adhesive, tip XAB]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/XAB-s.jpg)
