1936 HINDENBURG LZ-129 CANADA to GERMANY, great Canada franking #175,226 pays the 50¢ Zeppelin airmail fee + 20¢ registration, on flight cachet cover from WINNIPEG on MAY9'1936 and addressed to DESSAU-GERMANY, routing via NEW-YORK on MAY 10 + Hindenburg airship to FRANKFURT on MAY 14 + same day delivery to DESSAU, marked RETURN to SENDER on MAY 15 via MONTRAL on MAY 25 + the OTTAWA DLO on MAY 27 + WINNIPEG, Frost catalog #129-6 with a minimum cat at $700 for a non registered cover, rare with good markings and VF ($750+ US) (Image)

CV.