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1983 The 30th Anniversary of the Customs Co-operation Council

1983 The 100th Anniversary of the Ordination of Friar Rogerio Neuhaus

1983 Agricultural Research

1983 Cancer Prevention – The 30th Anniversary of the Antonio Prudente Foundation and A.C. Camargo Hospital

1983 The 500th Anniversary of the Birth of Martin Luther, Protestant Reformer, 1483-1546

1983 Itaipu Brazilian-Paraguayan Hydro-electric Project

1983 The 50th Anniversary of the Suffrage of Women – Brazil

1983 The 1st Anniversary of the Brazilian Antarctic Expedition

1983 International Stamp Exhibition “Brasiliana 83” – Rio de Janeiro, Brazil – Carnival

1982 International Stamp Exhibition “Brasiliana 83” – Rio de Janeiro, Brazil