1898 (17 July) picture postcard ("Gruss von Bodensee") franked with Germany, Austrian, Bavarian, Wurttemberg and Swiss adhesives, each tied by oval "Konstanz-Bregenz Schiffspost Kurs 22" datestamps, addressed to Karlsruhe, fine multi-country usage from Lake Konstanz (Image)

Est.US$150

1917 Submarine Mail, cover from Halle, franked with 20pf (Mi.87IIa), addressed to Hankow, China, with "Bremen T.B. D.O.R." datestamp, "Via San Francisco" and three-line "Zuruck - Wegen Einstellung das Tauchboot briefverkehrs zuruck an Absender" handstamp (return to sender, submarine service suspended), v.f., with 2004 Jaschke-Lantelme certificate. An extraordinary Submarine Mail cover addressed to China, possibly unique (Image)

Est.US$500

1930-33 Zeppelin Issues, three different sets including South America, Polar Flight and Chicago Flight, h.r., fresh, fine-v.f., cat. $2100 (Cat No. C38-45) (Image)

Cat. $2100, Est.US$500

1931 2m South America Flight Issue, used in combination with 4m Zeppelin on DOX cover addressed to Detroit, with Rio de Janeiro 22.v.31 arrival pmk on back, v.f. (Cat No. C38) (Image)

Est.US$150

1931 (7 Mar) England-Africa, two cacheted first flight covers, Cologne to Kisumu, also Cologne to Butiala, Alexandria transit, Kampala and Kisumu arrival markings, v.f., one signed Field (Image)

Est.US$200

1931 (7 Mar) England-Africa, two cacheted first flight covers, Cologne to Juba, Sudan also Cologne to Aswan, Alexandria transit, one with Cairo Industrial Exposition cachet, Imperial Airways London cachets on reverse (Image)

Est.US$200

1927-28 Hindenburg & Nothilfe booklets, three different, the first one with notations on back, fine-v.f. (Mi.27-29, Euro 1,950) (Image)

Est.US$500

1929 Orient Flight, cacheted cover franked with 4M Zeppelin, tied by Friedrichshafen 24 March cds, addressed to Dusseldorf, with "Mit Luftschiff LZ 12VII ab Friedrichshafen via Palestina" handstamp, minor cover tear, otherwise fine and interesting usage (Image)

Est.US$250

1929 Orient Flight cover franked with 2M Zeppelin adhesive, tied by Friedrichshafen 24 March cds, addressed to Philipp Kosack in Berlin, with appropriate cachets including oval "Mit Luftschiff L.Z. 127 ab Friedrichshafen" in violet, v.f. (Image)

Est.US$250

1929 Orient Flight, "Belgien 8c" stationery card, with additional franking, all canceled Friedrichshafen 24 March cds, addressed to Philipp Kosack in Luzern, with appropriate cachets including oval "Mit Luftschiff L.Z. 127 ab Friedrichshafen" in violet, h.r. on back, v.f. (Image)

Est.US$250

1929 Orient Flight Behrens card, franked with 1M Eagle, tied by Friedrichshafen 24 March cds, addressed to Brunswick, with appropriate cachet, v.f. (Image)

Est.US$250

1931 2m Polar Flight, two copies, each canceled on card, appropriate cachets and on-board, with Icebreaker Malyguin postmark, fine-v.f. (Cat No. C41) (Image)

Est.US$200