Ditunjukkan sekarang: Amerika Syarikat - Setem-setem mel udara (1960 - 1969) - 2 Setem-setem.
1967
The 100th Anniversary of the Alaska Purchase
30. March WM: Tiada Perforasi: 11
![[The 100th Anniversary of the Alaska Purchase, jenis 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: Tiada Perforasi: 11
![[Birds - Columbia Jays by John James Audubon, jenis AU]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/AU-s.jpg)
