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This listing is for a Postal Cover signed by the person indicated in the item description and picutred in the scan. This item is part of a very large vintage autograph collection that we have obtained. On most of these covers the name of the person that signed the cover is wriiten lightly in pencil on the back of the cover. When possiible we will add some information below about the person that signed the cover. PLEASE NOTE: You will receive the EXACT autographed cover that is pictured in the scan. Satisfaction is 100% guaranteed. AAH Enterprises does NOT sell pre-prints, photocopies or facsimiles of any kind. Please do not hesitate to ask any questions using the ask seller tab above. All items come with a COA issued by AAH Enterprises.

German Zettel had been a Zeppelin mechanic since 1928, when he was employed by the Luftschiffbau Zeppelin. Prior to this, Zettel had apprenticed at the Maybach motor company, and was eventually assigned to the Zeppelin engine division. He became familiar enough with Zeppelin engines that he could, he said, "assemble them in the dark." He was subsequently hired by Luftshiffbau Zeppelin.

He flew as an engine mechanic on the LZ-127 Graf Zeppelin, including the round-the-world flight in 1929. Zettel continued to fly aboard the Graf Zeppelin until 1936, when the LZ-129 Hindenburg was commissioned and Zettel transferred to the new ship, making all flights from the first test flight March 4, 1936 onward.

Julius E. Witzky, was the chief engineer at Mercedes-Benz. He helped design the U-boat and the Hindenburg, the doomed airship.