U.S.A.
Ora in esposizione: U.S.A. - Francobolli Spedizioni Aeree (1934 - 1936) - 2 francobolli.
1934
Great Seal of the United States
30. Agosto WM: Nessuno Dentellatura: 11
![[Great Seal of the United States, Scrivi 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. Febbraio WM: Nessuno Dentellatura: 11
![[Great Seal of the United States - New Edition, Scrivi B]](https://www.stampworld.com/media/catalogue/United-States/Airmail-delivery-stamps/B-s.jpg)
