Austria
Austria, Michel 92, Cover
1915. BOSNIEN HERZEGOWINA. 1915 12 Heller/10. K. UND. K. MILIT. POST b SARAJEVO. -6.IX.15.
Austria, Michel 92, Cover
1915. BOSNIEN HERZEGOWINA. 1915 12 Heller/10. K. UND. K. MILIT. POST b SARAJEVO. -6.IX.15.
Austria, Michel 92, Cover
1915. BOSNIEN HERZEGOWINA. 1915 12 Heller/10. K. UND. K. MILIT. POST b SARAJEVO. -6.IX.15.
Austria, cancelled postal stationay
1982. 68. BALLONPOST.
Austria, Michel 1552, cancelled post card with stamp
1977. 57. BALLONPOST.
Austria, Michel 1387, Cover
1972. 47. BALLONPOST.
Austria, Cover
1988. 79. BALLONPOST.
Austria, Cover
1988. 37. SONDER-BALLONPOST. 1. KINDERDORF-BALLONPOST IN SÜDTIROL.
Austria, cancelled post card with stamp
1991. 85. BALLONPOST.
Austria, Michel 1158, Cover
1964. 6. SONDER-BALLONPOSTFLUG.
Austria, Cover
1991. 85. BALLONPOST.
Austria, Michel 1879, Cover
1987. 35. SONDER-BALLONPOSTFLUG.
Austria, Cover
1987. 78. BALLONPOSTFLUG.
Austria, Michel 394, Mint never hinged
1923. 1600 Kr. 4-block.
Austria, Michel 1620, cancelled post card with stamp
1979. 62. BALLONPOST.
Austria, Michel 1111, cancelled post card with stamp
1963. 30. BALLONPOST.
Austria, Michel 870, Cover
1955. 14. BALLONPOST ERSTMALS IM FREIEN ÖSTERREICH SALZBURG 29.10.1954. + WIEN 101 3. BUNDESKONGRESS WIEN 18.-22.10. 1955 18.10.1955.
Austria, Cover
1988. 36. SONDER-BALLONPOSTFLUG.
Austria, Cover
1984. 71. BALLONPOST.
Austria, Michel 900, Cover
1957. 17. BALLON POSTFLUG TAG DER LUFTFAHRT WIEN 101 28.4.1957. + TURRACH 13.3.56.
Austria, Michel 1917, Cover
1988. 36. SONDER-BALLONPOSTFLUG.