1928 (October 11-15), America Flight stationery postcard 1.25m blue, uprated by two air post values, tied by oval "4.10.28" date stamp, blue confirmation marking and NYC "16.OCT.1928" arrival marking, VF and scarce, Sieger #21, C.v. €650 w/o a premium for franking

200.00

1929 (March 25-28), Oriental Flight cover, franked by three air post values, including 2 1/2g brown, tied by Danzig "21.3.29" oval ds, Friedrichshafen "23.MRZ.2" connection and red confirmation cachet, Istanbul arrival is on reverse, VF, Sieger #23, C.v. €350++

100.00

1930 (May 18-19), South America Flight postcard franked by two values, including Airplane 1g green, tied by oval Luftpost "15.5.30" ds, red confirmation cachet, Seville "19.MAY.30" drop marking, minor scuffs on reverse, still F/VF, Sieger #57 I, C.v. €250

75.00

1931 (June 28), Schwaben Flight postcard, franked by two stamps, tied by oval date stamp, Friedrichshafen "28.6.31" connection and Boeblingen the same day arrival marking, violet confirmation cachet, VF, Sieger #112

75.00

1931 (July 24-27), North Pole Flight postcard, franked by two stamps, including airplane 2 1/2g brown, tied with oval Danzig ds, Friedrichshafen "24.7.31" connection, red confirmation cachet and Ice Breaker "Malygin" drop of July 27, VF and scarce, Sieger #119, C.v. €900 w/o a premium for franking

300.00

1932 (July 30-31), LUPOSTA Flight postcard, franked by complete Exhibition surcharged set of five, tied by Danzig special ds, green confirmation cachet, Ronne "31.7.32" drop ds, VF, Sieger #170Aa, not priced for a complete set, Scott C.v. $300

100.00

1936 (October 5-8), Airship "Hindenburg" 10th NAF registered cover, franked by 7 air post values, tied by Danzig oval "3.10.36" ds, Frankfurt connection and red confirmation cachet, NYC "10.8.1936" receiver, VF, Sieger #441

100.00