现在展示： 美国 - 航空邮票 (1960 - 1969) - 2 邮票.
1967
The 100th Anniversary of the Alaska Purchase
30. 三月 窗口管理器: 空缺 筛孔: 11
![[The 100th Anniversary of the Alaska Purchase, 类型 AT]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/AT-s.jpg)
1967
Birds - Columbia Jays by John James Audubon
26. 四月 窗口管理器: 空缺 筛孔: 11
![[Birds - Columbia Jays by John James Audubon, 类型 AU]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/AU-s.jpg)
