1915, Military Balloon Przemysl postcard to Bavaria, numbered with 26782 at top left, violet confirmation "Fliegerpost Przemysl", circular military "IX.54" and censorship markings, minor conveyance flaws, still F/VF, Est. $200-$250

100.00

1931 (March 28-30), Hungary Direct and Return Flight postcards, franked by two or three air post values, including Zeppelin overprint on 1p orange, two different confirmation markings in blue or green, Budapest or Friedrichshafen receivers of March 29 or 30 respectively, VF, Sieger #102Aa, Ba, C.v. €300

100.00