CZECHOSLOVAKIA
1976 Airmail - PRAGA 78 International Stamp Exhibition, Prague Architecture
1977 PRAGA 78 International Stamp Exhibition - Historic Post Uniforms
1988 Praga '88 International Stamp Exhibition - Present-day Prague
The 30th Anniversary of Young Pioneer Organization and International Year of the Child
1980 The 50th International Peace Marathon, Kosice
1992 European Junior Table Tennis Championships, Topolcany
1989 The 12th Biennial Exhibition of Book Illustrations for Children
Czechoslovakia 1977 - The 9th Trade Unions Congress
Czechoslovakia 1977 - Congress of UNESCO International Music Council
1987 The 11th Trades Union Congress, Prague
1986 Women's World Volleyball Championship, Prague