1929 (2 Jan.) First flight from Asuncion to Buenos Aires, cover franked by 2.85P airmail surcharge + 1.50P postage tied by 1 ENE 29 cds (thus FIRST DAY of the airmail), bs 2 ENE 29, with endorsement and signature of the pilot, Paul Vachet, plus fancy boxed airmail cachet; very fine (Mü. 3, 3’000pts) (Image)

1930 (May) Zeppelin Pan-American Flight, cover with 2.85P franking tied by special boxed cachet, airmail cds (19.MAY.30) alongside, cacheted envelope to New York with May 31 Lakehurst pictorial bs, only 123 items flown, very fine, BPB Basel cert (Sieger 62A, € 1’000) (Image)

1931 (August-Sept.) Zeppelin 1st South America Flight, reg’d cover to Germany franked by 3 & 4P Zeppelin set in horiz. pairs, tied by triangular cachets (with other franking), set issued 22 August and showing double circle date/hour cancel on reverse thus First Day usage, sent via Condor plane to join the Zeppelin en route, with F’hafen (7.9.31 bs), with reg’d label and final bs of Speyer on back as well, fine and scarce (only 187 flown) (Sieger 126, € 500) (Image)

1931 Graf Zeppelin 3rd South America Flight registered cover franked with pairs of 4P and 3P on 4P Zeppelin ovpts. plus 6.40P add’l franking tied by 10 Oct. 1931 cds or triangular flight cachet, bs at F’hafen on 28 October, fresh and very fine (Sieger 136, € 180) (Image)

1932 Zeppelin 3rd South America flight, registered special pc with franking incl. 20p Zeppelin triangle tied by both Asuncion airmail cds (15 April) and F’hafen receiver (27 April), Berlin transit as well, reverse includes oval Condor-Zeppelin Trans-Atlantic Service cachet, attractive, fresh and very fine (Sieger 155, € 160+) (Image)

1933 (Oct.) Zeppelin “Century of Progress” (Chicago) Flight, colourful reg’d cover with 27P total franking incl. 22.50P Zeppelin tied (14.10.33 airmail cds), both special cachets, sent to Germany with Solingen and F’hafen green bs, very fine (Sieger 240, € 330+) (Image)

1935 (Nov.) Zeppelin 16th South America Return Flight, 3rd “Pendulum” leg (Recife – Bathurst), cover front from Paraguay showing scarce large “Wegen der Unruhen in / Brasilien verzögert” (“Delayed by Agitation…”) type I but with capital “W”, applied to mail from the 3rd such flight (Dec. 3-10), sent to Germany and with Condor Syndicate cachet and cds (Nov. 11), also included is BRAZIL cover from Joinville (Nov. 25 cds)with the smaller version of the hs (Type II) also sent to Germany, fine (Sieger 338 & 342, € 335) (Image)

1931-35 Graf Zeppelin Flights, wonderful lot of 16 covers or cards incl. reg’d, all with Zeppelin issues among the frankings, superb cqachet or cancels throughout, a great start on this area, very fine overall (Sieger 136, 141, 176,182, 188, 194, 237, 249, two 258, 273, 288, 295, 298, 307, 332; € 2’200+) (Est. € 800/1’000) (Image)