1918 1.50k and 2.50k on cover from Vienna to Budapest, with additional franking, fine-v.f. (Ferchenbauer Euro 275) (Cat No. C1-2) (Image)

Est.$150

1918 set of three on two separate matching covers from Vienna to Lemberg, fine-v.f. (Cat No. C1-3) (Image)

Est.$100

1918 set of three on cover from Krakow to Lemberg, with additional franking, fine-v.f. (Ferchenbauer Euro 220) (Cat No. C1-3) (Image)

Est.$100

1918 cover sent from Lemberg to Vienna, franked with Airpost set of three, 2.50kr perf. 12 1/2x11 1/2, filing fold away from the stamp, fine-v.f. (Cat No. C1-3) (Image)

Est.$150

1918 first flight Vienna-Lemberg, coverfront franked with 4kr and 15h, redirected back to Vienna, filing fold away from the stamps (Image)

Est.$100

1918 first flight Lemberg-Vienna, cover franked with Airpost set of three, filing fold away from the stamp, fine-v.f. (Ferchenbauer Euro 400) (Image)

Est.$200

1918 30h bister, double impression, l.h., v.f. (Cat No. M76var) (Image)

Est.$150

1930-33 collection of 42 covers or cards, virtually all different flights (occasionally both a cover and card from the same flight), all with Austrian franking, progression of South America Flights, also Egypt Flight, Polar Flight and others, each item identified by Sieger and Michel Catalogues, mostly v.f. A rare opportunity to acquire a collection of Austrian Zeppelin covers (Image)

Est.$5,000

1933 Rome Flight card, Vienna to Livorno, with Friedrichshafen 29.5.1933 transit, v.f. (Longhi 203, Euro 1,500) (Image)

Est.$300