1933 (June 3-6), 2nd SAF registered postcard from Algiers to Brazil, franked altogether by seven stamps, including Marabout of Sidi Yacoub 10fr brown and rose, Friedrichshafen ''3.6.33'' connection and green confirmation markings, arrived to Pernambuco on June 6, VF and very scarce, Sieger #219, Est. $400-$500 (Image)

1929 (May 15), 1st America Flight (interrupted at Cuers) cover addressed to Cleveland, OH, franked by four air post values, including pair of Crane 3s red brown, blue confirmation cachet and red line interruption marking, delivered by another America Flight in August with appropriate NYC receiving ''Aug. 5.1929'', F/VF, Sieger #26, Est. $100-$150 (Image)

1931 (August 27), Lausanne Flight postcard (real photo with Zeppelin Flight Around the World), franked by Rotary overprints on 20g, 50g and 1s, cancelled Innsbruck ''8.VIII.31'' ds, red oval Flight marking and Friedrichshafen connection of August 20 (too early), Lausanne ''27.VIII.31'' receiver, VF and scarce, Sieger #123 var, Est. $150-$200 (Image)

Airship Hindenburg Flight. 1937 (May 1), Germany Flight postcard, franked by three stamps, cancelled by Brussels ''30.4.37'' Airport date stamp, lilac and red Flight markings, Frankfurt-on-Main ''1.5.37'' connection and Cologne ''3.5.31'' arrival ds, VF, Mi #63 I, Sieger unlisted, Est. $100-$150 (Image)

1930 (June 30), Graf Zeppelin surcharge and overprints, 5c/10c, 10c, 15c, 25c and 1b used on registered cover from Cochamamba to NY, violet boxed cancellation, no backstamp, VF, C.v. $430 as for stamps off cover, Est. $150-$200 (Image)

1930, ''Z'' (Zeppelin) surcharges 1.50b/15c, 3b/20c and 6b/35c, unused and used complete sets of three and in addition two stamps with comma variety, most with OG (C26 - no gum), C26 has tiny thin spot, F/VF, C.v. $705, Est. $250-$300 (Image)

1932 (April 9-13), 2nd Return SAF card and cover from Cochabamba to Germany, franked by 17 (10 - on reverse) or 26 (20 - on reverse) stamps respectively, green Flight cachet, Friedrichshafen ''13.4.32'' arrival ds, VF, card with B. Moorhouse certificate, Sieger #146, Est. $150-$200 (Image)

1932 (April 23-27), 3rd Return SAF card and cover from Cochabamba to Germany, franked by 5 or 4 stamps respectively, German oval confirmation marking in red (not mentioned in Sieger for that flight), Friedrichshafen ''27.4.32'' arrival marking, VF, each one with B. Moorhouse certificate, Sieger #151 var, Est. $150-$200 (Image)

1932 (May 6-10), 4th Return SAF card and pre-printed cover from Cochabamba to Germany, each one franked by four values, card with straight line confirmation, Friedrichshafen or Berlin ''10.5.32'' arrival markings, VF, Sieger #160 var, Est. $150-$200 (Image)

1930, Air Mail Fee stamps for Graf Zeppelin Flights from Brazil to Europe, three complete issues and a single from the third set, the total is nine stamps, full OG, hinged or unused, no gum (a single), mostly VF, C.v. $1,068, Est. $250-$300 (Image)

1930 (May 24 - June 6), South America Flight postcard and cover, each one franked by air post semi-official stamps for Zeppelin Flights of 5000r green and 10,000r red, first one sent from Recife (28 MAI) to Friedrichshafen (6.6), the other one - from Rio (24 MAI) to Recife (26 MAI), flight cachet and arrival markings, mostly VF, Sieger #59A, B, Est. $150-$200 (Image)

GROUP OF: 12 items delivered by South America Return Flights 1931-36, 11 Zeppelin Flights starting with 4 covers and cards from SAF of 1931, including 1 item of 1932, 3 of 1933, 1 of 1934, 2 of 1935 and the last one is Hindenburg 1st SAF of 1936, all with appropriate franking cancellations and flight cachet, mostly VF, Sieger #125B/404, Est. $400-$500 (Image)

1934 ( May 26-29), 1st SAF cover to Brazil, franked by five air post stamps, tied by Sofia special ds, red Berlin C2 Luftpostamt transit, Friedrichshafen ''26.5.34'' connection, Flight cachet in red and Pernambuco ''29.V.34'' receiver, VF, Sieger #247, Est. $250-$300 (Image)

1930 (July 9-10), Spitsbergen Flight pre-printed cover from Danzig to Hammerfest (Norway), franked by three Air Post values, green Flight cachet, arrival ds on reverse, VF, Sieger #73, €450, Est. $250-$300 (Image)

1932 (July 30 - August 1), Danzig (Luposta) Return Flight postcard to Switzerland, franked by complete surcharged air post set of five, green Flight marking, Friedrichshafen ''1.8.32'' arrival on the back, VF, Sieger #170B, €160 without a premium for franking, Est. $100-$150 (Image)

1932 (October 24-27), 9th SAF registered postcard to Brazil, franked by six African Subjects definitive stamps of 15c-5L (the last one is very scarce on postal history item), Friedrichshafen ''24.10.32'' connection, red confirmation marking and Recife ''27.X.32'' arrival ds on reverse, VF and rare, Sieger #195, Est. $700-$800 (Image)

1936 (October 29 - November 1), 12th SAF registered cover from Addis Ababa to Brazil, franked by two Occupation stamps and set of five Somalia air post values, tied by Addis Ababa ''19.10.36'' ds, Milan (27.10) connection, Friedrichshafen red confirmation cachet and Pernambuco ''1.XI.36'' arrival marking, mostly VF and very scarce, Ethiopia not listed by Sieger for this flight, ex-Belinkoff, Est. $1,000-$1,200 (Image)

1930 (September 24-25), Baltic Sea Flight cover to Budapest, franked by vertical pair of red Zeppelin overprint on 10m gray lilac, tied by Helsinki ''24.IX.30'' ds, Finnish confirmation marking, Friedrichshafen ''25.9.30'' drop and ''30.SEP.27'' Budapest arrival hs, 3mm cover tear at top, otherwise F/VF, Sieger #89B, €675, Est. $250-$300 (Image)

1933 (May 6-9), 1st SAF registered cover from Tanger to Brazil, franked by nine stamps (three - on reverse), including four air post values, cancelled by Tanger ''28-4.33'' date stamps, Friedrichshafen ''6.5.33'' connection and blue confirmation cachet, Pernambuco ''9.V.33'' arrival hs on the back, mostly VF and very scarce, Sieger #202, Est. $600-$700 (Image)

1935 (November 16-18), 1st Shuttle Return Flight cover from Bathurst to Recife, franked by three King George V Silver Jubilee stamps, tied by Bathurst ''16.NO.35'' date stamp, backstamped at Recife on November 18, VF and scarce, Mi #499 var, Est. $500-$600 (Image)

1928 (October 11-15), America Flight cover to US, franked by 4m black brown, cancelled by Friedrichshafen ''7.OKT.28'' ds, blue oval confirmation cachet, NYC ''Oct.16.1928'' drop marking, VF and scarce, Sieger #21g, €850, including €100 premium for Zeppelin stamp franking, Est. $250-$300 (Image)

1929 (March 24-28), two Orient Flight covers addressed to Port Said or Athens, franked by Eagle 2m black and blue, each one tied by Friedrichshafen ''24.MRZ.29'' ds, two different types of confirmation cachet and arrivals of March 28 to Port Said and March 30 to Athens, F/VF, Sieger #23 var, Est. $200-$300 (Image)

1929 (May 16), 1st America Flight cover, franked by Zeppelin 4m black brown, tied by board ''16.5.29'' ds, blue confirmation cachet on front and Barcelona drop ''16.MAY.29'' marking, VF and rare, only 19 items were dropped in Barcelona, Sieger #26b, €2,000, Est. $500-$600 (Image)

1929 (May 16-17 and August 1-5), 1st America Interrupted in Cuers and Completed Flights cover and card, franked by Zeppelin stamps of 4m and 2m respectively, each one with blue Flight cachet, first one has interruption message in red, each one with NYC ''AUG.5.1929'' ds, both are VF, Sieger #26A, 27A, Est. $150-$200 (Image)

1929 (August 15 - September 4), Around the World Flight cover to Switzerland, franked by Zeppelin 2m ultra and three 4m black brown, cancelled by Friedrichshafen ''15.AUG.29'' ds, red Flight marking and straight line confirmation, Friedrichshafen ''4.9.29'' receiver, mostly VF, Sieger #30Ad, €500 without premium for franking, Est. $200-$250 (Image)