Wordt nu getoond: Verenigde Staten van Amerika - Luchtpost Postzegels (1960 - 1969) - 2 postzegels.
1967
The 100th Anniversary of the Alaska Purchase
30. maart WM: Geen Perforatie: 11
![[The 100th Anniversary of the Alaska Purchase, type AT]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/AT-s.jpg)
1967
Birds - Columbia Jays by John James Audubon
26. april WM: Geen Perforatie: 11
![[Birds - Columbia Jays by John James Audubon, type AU]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/AU-s.jpg)
