S21946

south america flight 1932 - argentinian post with interesting mixed franking on NDL pre-printed letter sent from Buenos Aires by airship on it' s second flight 1932 to Friedrichshafen (arrival postmark backside) and forwarded to Berlin. This letter is one of the rare letters with german oval confirmation mark, very good quality, Sieger 145, Michel Zeppelin specialised catalogue 238 B b