Balloon
![Austria 1989](/image/38208/base250X250/austria-1989-39-sonder-ballonpost-1-ballonpost-in-litauen.jpg)
Austria, cancelled post card with stamp
1989. 39. SONDER-BALLONPOST. 1. BALLONPOST IN LITAUEN.
![Austria 1978](/image/38225/base250X250/austria-1978-1-oesterr-ballonpost-ausstellung-salzburg.jpg)
Austria, cancelled post card with stamp
1978. 1. ÖSTERR. BALLONPOST-AUSSTELLUNG SALZBURG.
![Austria 1982](/image/38194/base250X250/austria-1982-25-sonder-ballonpostflug.jpg)
Austria, Michel 1693, cancelled post card with stamp
1982. 25. SONDER-BALLONPOSTFLUG.
![Austria 1956](/image/37842/base250X250/austria-1956-15-ballonpost-jungfernfahrt-des-oesterr-freiballon-omo-29-4-56-plus.jpg)
Austria, Michel 842+, Cover
1956. 15. BALLONPOST. JUNGFERNFAHRT DES ÖSTERR FREIBALLON OMO 29.4.56. + ST. GABRIEL schutzpatron der post u der philatelisten WIEN briefmarken ausstellung 25 MÄRZ 1956.