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1991 The 5th Anniversary of the International Festival of Folklore and the 100th Anniversary of the Birth of Leonardo Mota, 1891-1948

1991 The 50th Anniversary of the Labour Justice Legal System

1991 Tourism – The 100th Anniversary of the Boa Vista and the 100th Anniversary of the Teresopolis

1991 Fire Fighting

1991 Flowers – Issues of 1989 but with Currency Expressed as “Cr $”

1991 Stamp with No Value Expressed

1991 The 90th Anniversary of the Butantan Institute and the 173rd Anniversary of the National Museum

1991 United Nations Conference on Environment and Development

1991 Flowers – Issues of 1989 but with Currency Expressed as “Cr $”

1991 Indian Culture – The Yanomami