Argentina
1980 The 100th Anniversary of the Argentinian Red Cross
1980 The 100th Anniversary of the Argentinian Red Cross
1980 Regional Administrative Conference on Broadcasting, Buenos Aires
1980 Regional Administrative Conference on Broadcasting, Buenos Aires
1979 The 75th Anniversary of the Rotary International
1979 The 75th Anniversary of the Rotary International
1979 International Year of the Child and “Family”
1979 International Year of the Child and “Family”
1979 “Prenfil ’80” International Exhibition of Philatelic Literature and Journalism, Buenos Aires
1979 “Prenfil ’80” International Exhibition of Philatelic Literature and Journalism, Buenos Aires
1979 “Prenfil ’80” International Exhibition of Philatelic Literature and Journalism, Buenos Aires
1979 “Prenfil ’80” International Exhibition of Philatelic Literature and Journalism, Buenos Aires