Communication & Transport
Bulgaria, Michel 256, Mint never hinged
1933. BALKAN OLYMPIADE. 10 L.
Austria, Michel 1508, Cover
1976. 55. BALLONPOST.
Austria, Michel 965, cancelled postal stationay
1951. 7. BALLONPOST. SALZBURG BALLON ZÜRICH 21.X.1951.
Austria, cancelled post card with stamp
1982. 25. SONDER-BALLONPOSTFLUG.
Austria, Michel 1530+, cancelled post card with stamp
1976. 56. BALLONPOST.
Sweden, Cover
1946. TIDNINGEN HALLAND HALMSTAD.
Sweden, Cover
1955. HOTEL REGINA STOCKHOLM.
Austria, Michel 1695, cancelled post card with stamp
1982. 25. SONDER-BALLONPOSTFLUG.
Netherlands, Michel 469, Cover
1947. RAKET VLUCHT TBV PHIL. OH. PUNTEN NEDERLAND FRANKELIN D. ROOSEWELT HERDENKING NRS. ROCKET FLIGHT. 26.1.1947.
Austria, Michel 870, Cover
1956. 15. BALLONPOST. JUNGFERNFAHRT DES ÖSTERR FREIBALLON OMO 29.4.56. + WIEN WIENER INTERNATIONALE FRÜNJAHRSMESSE 1956 MESSEPALAST 16. III. 56.
Sweden, Cover
1919. PIANIST-FÖRBUNDET
Austria, cancelled post card with stamp
1987. 77. BALLONPOSTFLUG.
Denmark, Michel R 19, Hinged
1927-1930. Wavy-line. BUICK (Round cooler) + 10 ØRE green.
Scott 94 + ADVERT
Afa R 19
Austria, Cover
1984. 72. BALLONPOST.
Austria, cancelled post card with stamp
1980. 63. BALLONPOST.
Austria, Michel 1184, Cover
1965. 7. SONDER-BALLONPOSTFLUG.
Austria, Cover
1986. 34. SONDER-BALLONPOSTFLUG.
Austria, Michel 895 + 897, Cover
1956. 15. BALLONPOST. JUNGFERNFAHRT DES ÖSTERR FREIBALLON OMO 29.4.56. + Besuchen Sie das heeresgeschitliche Museum Wien 21.3.58.
Austria, Michel 1047, cancelled post card with stamp
1963. 30. BALLONPOST.
Sweden, Cover
1959. NORDISKA VERKSYGSAFFÄREN GÖTEBORG C.