Paraguay 1933 Zeppelin, 5th South America-Europe Flight cover franked with mixed franking w. 1933 Zeppelin issue stamps 4.5$(x2) & 13.5$ (Mi:414, 416; Yt: 63, 65 ; SG. 451, 453) registered from Asuncion to Germany, with appropriate black and red cachets, Friedrichshafen zeppelin arrival cachet in green (29.8.1933)
