Estados Unidos. Aéreo
Automatically generated translation
Yvert 7/9, 15A, 20, 21. 1936. 6 cents orange Air Mail Stationery Envelope from WASHINGTON to BERLIN (GERMANY), various values as complementary postage. Transported by the LZ129 "Hindenburg" and on the back stamp of 1 cent green (Yosemite) and arrival. MAGNIFICENT.