Now showing: United States - Airmail stamps (1918 - 2012) - 2 stamps.
1999
Landscape - Self-Adhesive
WM: None Perforation: Rouletted 11
![[Landscape - Self-Adhesive, type XAA]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/XAA-s.jpg)
1999
Landscape - Self-Adhesive
30. July WM: None Design: Ethel Kessler Perforation: Rouletted 11
![[Landscape - Self-Adhesive, type XAB]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/XAB-s.jpg)
