Check out these historic flights from the Graf Zeppelin (LZ-127) and the Hindenburg (LZ-129) airships. In addition to providing luxury passenger service the Zeppelin Company also contracted with governments to carry mail. Each zeppelin flight cover contains validating postmarks and an official flight cachets. These incredible artifacts mark the various crossings between Germany (Friedrichshafen) and the United States plus other legs flown to and from nations throughout the world.
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