1936 Hindenburg Olympic Flight. Czechoslovakia: 1936 Olympia Flight cover from Czechoslovakia to Berlin, sent registered from Prague with 5k50h franking to Frankfurt, and with Germany Berlin Olympic set of eight overpaying the Zeppelin flight to Berlin, Hindenburg Olympiafahrt cachet, with the Prague registered label cancelled as the mail wasn't registered on the Zeppelin, arrival backstamp, very fine and scarce mixed franking, cert. Joachim Simon (2001) (Mi. €1'500). (Image)

Denmark: 1936 Zeppelin Olympic Flight card with Denmark 1kr & 10ö franking tied by Copenhagen cds, Berlin transit and Olympic flight cachet, very fine (Image)