Brazil
2001 The 100th Anniversary of the Butantan Institute, Vaccine Research Centre, Sao Paulo – Venomous Animals
2001 The 100th Anniversary of the Butantan Institute, Vaccine Research Centre, Sao Paulo – Venomous Animals
2001 International Stamp Exhibition “HONG KONG 2001” – Hong Kong, China – Chinese New Year – Year of the Snake
2001 International Stamp Exhibition “HONG KONG 2001” – Hong Kong, China – Chinese New Year – Year of the Snake
2001 The 11th Anniversary of the Pan American Scout Jamboree, Foz do Iguacu
2001 The 11th Anniversary of the Pan American Scout Jamboree, Foz do Iguacu
2000 The 100th Anniversary of the Arbitration Ruling setting Boundary between Brazil and French Guiana
2000 The 100th Anniversary of the Arbitration Ruling setting Boundary between Brazil and French Guiana