1980 The 21st Anniversary of the Inter-American Bank of Development Directors’ Annual Assembly Meeting, Rio de Janeiro
1980 The 21st Anniversary of the Inter-American Bank of Development Directors’ Annual Assembly Meeting, Rio de Janeiro
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1979 The 25th Anniversary of the Cosipa Steel Works, Sao Paulo
1979 The 25th Anniversary of the Cosipa Steel Works, Sao Paulo
1979 The 150th Anniversary of the First Braille Publication
1979 The 150th Anniversary of the First Braille Publication
1979 Christmas – Tiles from the Church of Our Lady of Health and Glory, Salvador
1979 Christmas – Tiles from the Church of Our Lady of Health and Glory, Salvador