Soviet Union 1930 Do-X flight cover from Leningrad to Brazil,...

Soviet Union 1930 Do-X flight cover from Leningrad to Brazil, attractively franked, with additional Germany 4m South America Flight canceled “Dornier Flugschiff 30 Jan. 31” (another German stamp, probably 2m South America is missing from back of the cover), v.f., with appropriate transit and Rio de Janeiro arrival pmks

(via Philasearch.com - Soviet Union)

http://ift.tt/2omxWam