Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Hungary - 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