Air Mail
Austria, cancelled postal stationay
1983. 69. BALLONPOST.
Austria, Michel 1507, cancelled post card with stamp
1976. 55. BALLONPOST.
Austria, Michel 1522+, Cover
1976. 56. BALLONPOST.
Austria, cancelled post card with stamp
1982. 25. SONDER-BALLONPOSTFLUG.
Austria, Cover
1987. 78. BALLONPOSTFLUG.
Austria, cancelled post card with stamp
1989. 81. BALLONPOST.
Austria, Michel 1801, cancelled post card with stamp
1985. 30. SONDER-BALLONPOSTFLUG.
Austria, Cover
1986. 34. SONDER-BALLONPOSTFLUG.
Austria, Michel 1150, Cover
1964. 31. BALLONPOST.
Austria, Michel 1634, cancelled post card with stamp
1980. BALLONPOSTAUSSTELLUNG.
Austria, Michel 895+897, Cover
1956. 15. BALLONPOST. JUNGFERNFAHRT DES ÖSTERR FREIBALLON OMO 29.4.56. + 45 JAHRE PFSDFINDER ÖSTERREICH. 10 JAHRE PFADFINDER ÖSTERREICHS 23.IV.1956.
Austria, Michel 870, Cover
1955. 14. BALLONPOST ERSTMALS IM FREIEN ÖSTERREICH SALZBURG 29.10.1954. + 25 JAHRE BRIEFMARKENSAMMLERVEREIN WIEN 101 9.10.1955.
Austria, Cover
1989. 82. BALLONPOST.
Austria, Cover
1981. 66. BALLONPOST.
Austria, cancelled post card with stamp
1982. 25. SONDER-BALLONPOSTFLUG.
Austria, Cover
1986. 33. SONDER-BALLONPOST. 1. BALLONMAIL IN EIRE.
Austria, Michel 1196, cancelled post card with stamp
1965. 34. BALLONPOST.
Austria, Michel 1687, cancelled post card with stamp
1982. 25. SONDER-BALLONPOSTFLUG.
Austria, Cover
1990. 84. BALLONPOST.
Austria, Michel 1567, cancelled post card with stamp
1978. 59. BALLONPOST.
Austria, Cover
1983. 70. BALLONPOST.