1977 Brazilian Molluscs

1980 Coal Industry 1980 Agricultural Products 1980 The 21st Anniversary of the Inter-American Bank of Development Directors’ Annual Assembly Meeting, Rio de Janeiro 1980 Indian Art – Ritual Masks 1980 The 30th Anniversary of the Brazilian Television 1980 The 100th Anniversary of the Death of Duke de Caxias, 1803-1880 1980 Art in Brazilian Museums 1980 The 50th Anniversary of the “Graf Zeppelin” 1980 The 50th Anniversary of the First South Atlantic Airmail Flight 1980 National Stamp Exhibition “Brapex IV” – Fortaleza, Ceará, Brazil 1980 Papal Visit and the 10th Anniversary of the National Eucharistic Congress – Pope John Paul II and Cathedrals 1980 Olympic Games – Moscow, USSR 1980 Rondon Project, Voluntary Student Work in Rural Areas 1980 The 100th Anniversary of the Birth of Helen Keller, and the 4th Brazilian Anniversary of the Congress on Prevention of Blindness, Belo Horizonte 1980 Day of the Stamp 1980 National Health Day – Campaign against Chagas Disease, Barber Bug Fever 1980 The 15th Anniversary of the National Telecommunications System 1980 The 6th Anniversary of the World Union of Saint Gabriel Congress, Religious Philately Federation, Sao Paulo 1980 International Stamp Exhibition “Espamer 80” – Madrid, Spain – Orchids 1980 Portuguese-Brazilian Stamp Exhibition “Lubrapex 80” – Lisbon, Portugal – Parrots 1980 Book Day and Erico Verissimo Commemoration 1980 Christmas 1980 Inauguration of Telecommunications Centre for Research and Development, Campanas City, Sao Paulo 1980 The 100th Anniversary of the Engineering Club 1980 Postal Chess 1980 Thanksgiving Day 1980 Agricultural Products 1980 Beatification of Father Jose de Anchieta 1980 The 250th Anniversary of the Birth of Antonio Lisboa, 1730-1814