The Robert Stolz Trophy for Music Philately
Seite / Page 8 / 17
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1996
1997
1989: Max & Eugen Lenz
Schweiz 24.5.1988
Minnesaenger
Switzerland 24.5.1988
Minnisingers