cover and "Mittelmeerfahrt" card, 1931 Zeppelin express cover Vienna - Aspern flight, 1933 Zeppelin third South America Flight cover bearing scarce 3s., 1929 first flight Vienna to Irkutsk card and later items with Third Reich period Austria/Germany combinations, rocket mail etc. " /> Air Mail cover 1918-67 (c.), a wide ranging selection of first or special flight covers or cards (58) including 1918 set of three on greyish paper on envelopes (2) from Lemberg to Vienna and 2.50Kr. on 3Kr. on cover from Cracow to Vienna, 1929 Zeppelin<I> "Orientfahrt"</I> cover and<I> "Mittelmeerfahrt"</I> card, 1931 Zeppelin express cover Vienna - Aspern flight, 1933 Zeppelin third South America Flight cover bearing scarce 3s., 1929 first flight Vienna to Irkutsk card and later items with Third Reich period Austria/Germany combinations, rocket mail etc. | Christie's