1991 Visit of President Collor to Antarctica 1991 The 8th Anniversary of the World Free Flight Championships, Governador Valadares 1991 The 11th Anniversary of the Pan-American Games – Cuba, and Olympic Games – Barcelona 1992, Spain 1991 Anti-addiction Campaign 1991 The 100th Anniversary of the “Jornal do Brasil”, Newspaper 1991 Indian Culture – The Yanomami 1991 Flowers – Issues of 1989 but with Currency Expressed as “Cr $” 1991 United Nations Conference on Environment and Development 1991 The 90th Anniversary of the Butantan Institute and the 173rd Anniversary of the National Museum 1991 Stamp with No Value Expressed 1991 Flowers – Issues of 1989 but with Currency Expressed as “Cr $” 1991 Fire Fighting 1991 Tourism – The 100th Anniversary of the Boa Vista and the 100th Anniversary of the Teresopolis 1991 The 50th Anniversary of the Labour Justice Legal System 1991 The 5th Anniversary of the International Festival of Folklore and the 100th Anniversary of the Birth of Leonardo Mota, 1891-1948 1991 Birth Anniversaries of Writers 1991 Papal Visit and the 12th Anniversary of the National Eucharistic Congress, Natal 1991 The 100th Anniversary of the 1891 Constitution 1991 International Telecommunications Exhibition “Telecom 91” – Geneva 1991 America – Voyages of Discovery 1991 National Stamp Exhibition “Brapex 91” – Vitoria, Espírito Santo, Brazil – Hummingbirds and Orchids in Mata Atlantica Forest 1991 National Stamp Exhibition “Brapex 91” – Vitoria, Espírito Santo, Brazil – Hummingbirds and Orchids in Mata Atlantica Forest 1991 The 100th Anniversary of the Birth of Lasar Segall, 1891-1957 1991 The 100th Anniversary of the Bureau of Agriculture and Provision, Sao Paulo 1991 The 150th Anniversary of the Birth of Doctor Manuel Ferraz de Campos Salles, and the 150th Anniversary of the Birth of Doctor Prudente de Moraes 1991 Christmas 1991 Thanksgiving Day 1991 The 150th Anniversary of the Coronation and the 100th Anniversary of the Death of Emperor Pedro II, 1825-1891 and International Stamp Exhibition “Brasiliana ’93” – Brazil 1991 Military Police