1936 2nd Hindenburg Flight from Montreal (May 18) via New York to Frankfurt, with "Via Airship Hindenburg" label, franked on both sides (paying total of 70c), with appropriate transit and arrival pmks, v.f. (Image)

Est.$300

1936 Hindenburg flight (1 May) from Montreal via New York to Germany, mixed franking with U.S. adhesives (cancelled in New York), appropriate cachet and Frankfurt Hindenburg LZ-129 arrival cachet and cds, some toning and stains, otherwise fine and undoubtedly rare Canada-USA Hindenburg combination, signed Gappe (Image)

Est.$500

1936 Hindenburg flight from Hamilton, Ontario to London, England, appropriate violet cachet, with Frankfurt arrival and "Mit Luftschiff Hindenburg Befordert" handstamp on back, fine (Image)

Est.$300