S22660

South America Flight 1931 - Post from Switzerland with high airmail postage sent as registered printed matter to Friedrichshafen, carried by airship to Buenos Aires (arrival postmarks backside) and forwarded to Mission San Jose (also arrival postmarks backside), small opening cut in the cover left side (therefore cover is a little bit smaller), otherwise very good needs quality, Sieger 133 o, Michel Zeppelin specialized catalogue 229 a