Panama Canal Zone 1936 Hindenburg flight from Cristobal, via New...

Panama Canal Zone 1936 Hindenburg flight from Cristobal, via New York to Germany, mixed franking with 20c Canal Zone and 40c U.S. postage, appropriate cachet and arrival (Berlin) markings, autographed on front by Dr.Hugo Eckener, fine and rare Hindenburg flight from Canal Zone, ex-Schoendorf, signed Gappe

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