Amerika Serikat
Menampilkan: Amerika Serikat - Prangko pos udara (1934 - 1936) - 2 prangko.
1934
Great Seal of the United States
30. Agustus WM: Tiada Perforasi: 11
![[Great Seal of the United States, Tipe A]](https://www.stampworld.com/media/catalogue/United-States/Airmail-delivery-stamps/A-s.jpg)
1936
Great Seal of the United States - New Edition
10. Februari WM: Tiada Perforasi: 11
![[Great Seal of the United States - New Edition, Tipe B]](https://www.stampworld.com/media/catalogue/United-States/Airmail-delivery-stamps/B-s.jpg)
