1918, two Pioneer Flight covers on line Vienna - Lemberg (now L'viv), both franked by four values, including complete air post set on gray paper, stamp of 2.50k/3k with perforation 12 1/2x11 1/2 (dated May 7) and on white paper (dated July 7), all appropriate markings and arrival date stamps on reverse, mostly VF, Est. $300 -$400

150.00

1935, Airplanes over Landscapes, 5g-10s, complete set of 15, full OG, NH, VF, C.v. $150, ANK #598- 612, €240

50.00

1929 (April 23-25), Mediterranean Sea Flight two postcards to Sweden or Spain, first one is stationery card uprated by 3 values, the other one franked by 6 stamps, both tied by Vienna "19.IV.29"ds, Friedrichshafen connection and red flight cachet, the last one dropped at Seville "25.ABR.29", Sieger #24 var, Seville drop is not listed, Frost #127-19, C.v. $1,200, in addition 3 newspaper clippings about Austrian Flights
View the newspaper clippings.

250.00

1936 (May 6-9), Hindenburg (L.Z.129) 1st NAF registered cover franked by 5 stamps, including 4 of Airplane over Landscapes issue, tied by Mother's Day Celebration special marking, Frankfurt (d) connection, NYC"5.9.1936"drop and Vienna "17.V.36" markings of final destination getting either by the Airship return flight or by an airplane, VF, Est. $150-$200

75.00