Argentina: 1932 Trans-Atlantic Condor-Zeppelin flight card (registered), Argentina 5c Postal Card uprated 1932 Zeppelin opt set 5c-90c tied by 'Buenos Aires 10 OC 32' cds. To Germany with flight cachet, Friedrichshafen & Munich transit/arrival cds. Sieger 191 cat €100 far set on normal cover, premium on Zeppelin cover. (Image1)

Estimate AU$120

Austria: 1931 1st South America flight cover franked Airs 10g, 20g, 25g & 3Sh tied by 'Wien 27 VIII 31' cds. To USA with 2 flight cachets & Rio transit b/s. Air label struck out suggests went by surface mail Rio to USA. Sieger 124Dc. (Image1)

Estimate AU$375

Austria: 1936 Hindenburg 6th South America flight registered card franked 4 diff stamps tied by 'Wien 29 VII 36' cds. To USA with New York & Chicago b/s, plus crimson flight cachet. Sieger 428. (Image1)

Estimate AU$220

Bolivia: 1930 Zeppelin Round World flight Bolivian mail cover franked 'Z' opt Zeppelin 3B/20c & Airmail opt 25c, tied by 'La Paz 14 Mayo 30' airmail cds. To Germany with Round World cachet, boxed Zeppelin cachet & 2-line script cachet, Friedrichshafen b/s. Sieger 60B, SG 232 & 242 cat £100 as loose stamps alone. (Image1)

Estimate AU$325

Bolivia: 1930 Zeppelin Round World flight Bolivian Mail PPC franked 'Z' opt Zeppelin 1B50 & Airmail 15c, tied by 'La Paz 14 Mayo 30' airmail cds. To Germany with Round World cachet, boxed Zeppelin cachet, 2-line script cachet & Friedrichshafen cds. Sieger 60A, SG cat £100+ as loose stamps alone. (Image1)

Estimate AU$300

Czechoslovakia: 1936 Hindenburg North America flight card franked Pics 2K, 3K (on back with cinderella label) & 5K, tied by boxed 'Praha 4 VIII 36' pmks. To New York with flight cachet in crimson. Sieger 428. (P) (Image1)

Estimate AU$600

Danzig: 1931 Zeppelin 1st South America flight cover franked Pictorial 3G & Air 2½G, tied by Danzig 27 8 31' cds. To Brazil with 2 flight cachets & Rio b/s, then by surface mail to USA with Air label struck out. Sieger 124Dc. (Image1)

Estimate AU$375

Finland: 1935 Zeppelin 4th South America flight registered cover franked 6 stamps tied by 'Viipuri 29 V 35' cds with Stuttgart flight cancel. To Brazil with German Railway TPO & Pernambuco b/s. Sieger 299Ba. (P) (Image1)

Estimate AU$600

France: 1932 Zeppelin 9th South America flight cover franked 10Fr La Rochelle tied by 'Strasbourg 21-10-32' with flight cachet & Friedrichshafen cds, reverse with 'Lyon a Marseille Avion' b/s, Rio arrival b/s. Sieger 195. (P) (Image1)

Estimate AU$700

Germany: 1913 Sachsen flight Zeppelin PPC franked Germania 5pf tied by 'Luftpost Zeppelin Schiff Sachsen 24 8 13' oval. On Board pmk. Sieger 8 cat €350. (Image1)

Estimate AU$375

Germany: 1929 Zeppelin PPC Austria flight cover franked Hindenburg 3pf tied by 'St Polten 2 V 29' cds, with on board red cds. Sieger 25b cat €350. (Image1)

Estimate AU$375

Germany: 1929 Zeppelin German flight cover franked Eagle 15pf tied by 'Hamburg 17 9 29' cds, with On Board red cds. Sieger 34m cat €300. (Image1)

Estimate AU$325

Germany: 1930 Zeppelin in Kassel Night Flight Zeppelin PPC franked Eagle 1Mk tied by 'Luftschiff 3 9 1930' cds, with 2 diff red oval cachets & Kassel cds. Sieger 82Da cat €350. (Image1)

Estimate AU$375

Germany: 1931 Zeppelin 1st South America flight Zeppelin PPC franked Zeppelin 2RM tied by 'Luftschiff 31 8 31' On Board cds. To USA with 2 diff Cape Verde cds. Sieger 124Ab. (Image1)

Estimate AU$300

Germany/Brazil: 1932 Zeppelin 1st South America flight cover franked 1931 Polar flight 1RM red, Air Eagles 10-20pf tied by 'Luftschiff 23 3 32' On Board cds. Then back to Germany via Trans-Atlantic flight franked 4 stamps tied by 'Pernambuco 25 III 32' cds. Sieger 138Ac. (P) (Image1)

Estimate AU$500

Germany: 1933 VDI short flight cover franked Zeppelin 1RM red & Eagle 50pf tied by 'Luftschiff 28 5 33' On Board cds. Sieger 206II cat €325. (Image1)

Estimate AU$325

Germany: 1935 2nd Commuter Flight cover franked Costumes setenant blks of 4 from booklets, tied by 'Berlin-Charlottenburg 19 11 35' cds. To Brazil with airmail cachet & arrival b/s. Sieger 336A. Scarce franking. (Image1)

Estimate AU$220

Germany: 1936 Hindenburg Zeppelin Registered cover (opening flts) franked Eagles 10pf & 20pf, 3pf & 12pf Olympics blk of 4 plus 53pf Olympic M/Sheet, all tied by Olympic Stadium special pmks. To USA with red Zeppelin/Ship cachet plus arrival b/s. SG MS613a cat £110+, Mi Blk 5 cat €90+, both as loose & unpriced on cover. Sieger 430c ca €500. Very rare combination. (P) (Image1)

Estimate AU$600

Great Britain: 1933 Zeppelin 3rd South America flight registered cover franked KGV 1d & 1/-, tied by 'Hope Street Liverpool 29 JU 33' cds. To Brazil with 2 flight cachets, Pernambuco arrival b/s. Sieger 219B. (Image1)

Estimate AU$325

Hungary: 1930 Zeppelin East Sea flight cover franked 1927 Airs (10) to 80f, tied by 'Budapest 930 AUG 7' cds. To Sweden with Stockholm arrival b/s. Sieger 88. (Image1)

Estimate AU$375

Hungary: 1931 Zeppelin Iceland flight card franked Air 2P tied by 'Budapest 931 JUN 26' cds. By Air to Hamburg, then Zeppelin to Iceland with 'Reykjavik' transit cds & Flight cachet. Sieger 113. (Image1)

Estimate AU$450

Hungary: 1931 Zeppelin 1st South America flight cover franked 1927-30 Airs (6) to 5P, tied by 'Budapest 931 AUG 25', with flight cachet & Rio arrivals b/s. Sieger 124. (Image1)

Estimate AU$250

Hungary: 1936 Zeppelin 8th North America Hindenburg flight cover franked Recapture of Buda set tied by '2 Sept 36' special cds. To USA with flight cachet, 'Berlin Zentralflughafen 15 9 36' b/s. Sieger 437. (Image1)

Estimate AU$325

Kuwait: 1933 Zeppelin German Anschlussflug & 4th Sth America flight cover (top flap folded inside). By air Kuwait-London franked KGV opts ½a, 3a & 4a tied by 'Kuwait 20 JY 33' cds, then to Germany, then Brazil with various transit & arrival cds. Sieger 223B. Extremely rare with only several flown. 2023 Ceremuga photo cert. (P) (Image1)

Estimate AU$4,500

Liechtenstein: 1936 Hindenburg Olympic flight cover franked 1934-36 Airs (5) to 50R, tied by Mauren 29 VI 36 cds & flight cachet. Returned to Mauren with Berlin transit b/s. Sieger 427. (Image1)

Estimate AU$325