1931, flight of 4 August, card from "RIO DE JANEIRO 4.VIII." via Port of Spain with SCADTA and Colombian postage paid each with cancellation "BARRANQUILLA 31.VIII.1931" to Cali with arrival postmark on face, in perfect condition,
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1931, flight of 10.08, letter with Suriname posting with airmail cancellation of 10.8.31 and DOX overprint stamps with a.o. horizontal pair 60 cents via Miami to Dover. The envelope with vertical fold left of the postage paid and one stamp (postage stamp) with yellow spot, otherwise in well overall condition, in the Haberer handbook the destination England is not noted, signed H.E. Sieger
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1930, flight of 13.11. with on-board postmark of 30.JAN.31, letter from "ROMANSHORN 8.XI.30" with franking mark 10 francs purple via "FRIEDRICHSHAFEN 13.11.30" and Rio de Janeiro to the USA. The envelope with small traces of transport in the margin, otherwise good condition, signed H.E. Sieger
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1930, flight of 13.11. with on-board postmark of 30.JAN.31, card from "ZUTPHEN 4.XI.30" with marginal stamp franking mark 2 ½ guilders via "FRIEDRICHSHAFEN 13.XI.30" and Porto de la Luz to Ponta Delgada, Azores with arrival postmark, signed H.E. Sieger
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1931, airmail cancellation dated 30.JAN.31, card from "LISBOA 28.JAN.31" with postage paid via Rio de Janeiro to the USA, all cancellations on face, card with small corner crease, otherwise in perfect condition, signed H.E. Sieger
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1931, board postmark of 30.JAN.31, letter from "AMSTERDAM 13.1.31" via "FRIEDRICHSHAFEN 21.1.31" and Rio de Janeiro to the USA. The envelope with small marginal marks, otherwise in well overall condition, signed H.E. Sieger
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1929, 77th test flight on 17 November, picture postcard "Flugboot" from "FRIEDRICHSHAFEN 17.XI.29" with Reichspräsident 8 Pfennig and airmail cancellations "Südfunk an Bord DoX 17.XI.29" in black and "Südunk am Bord DoX" in red, addressed to Lorch in perfect condition
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1931, Amerikaflug, Brief mit rumänischer Frankatur sowie SAF 2 M. und 4 M. mit Transitstempel von Rio de Janeiro nach New York. Bordstempel vom 30. 1. Ein außerordentlich seltenes Stück.
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1930, Brief mit Freimarken 1 G. und zweimal 3 G. je mit Stempel "DANZIG 5 LUFTPOST 17.11.30" via "FRIEDRICHSHAFEN 21.11.30" und Rio de Janeiro in die USA mit Ankunftsstempel, Bordpost- und Cachet-Stempel vorderseitig. Der Umschlag und ein Wert mit Beförderungsspuren, sonst in einwandfreier Erhaltung, nicht häufiger Brief aus dem Bedarf
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Schweiz: 1929, Tellknabe 20 C. mit Stempel "RORSCHACH 17.X.29" auf Ansichtskarte mit rotem Nebenstempel "Südfunk an Bord Do X" und violettem Datumsstempel "Südfunk an Bord Do X 17.XI.29" nach Lorch, Marke mit Eckfehler, sonst einwandfrei, feiner Beleg zum 77. Probeflug
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