South America

1994 The 200th Anniversary of the Birth of Karl Friedrich Phillip von Martius, Botanist, 1794-1868

1994 The 1st Anniversary of the Death of Carlos Castello Branco, Journalist, 1920-1993

1994 Birds

1994 The 1st Anniversary of the Death of Albert Sabin, Developer of Oral Polio Vaccine, 1906-1993

1994 Birds

1994 The 150th Anniversary of the Birth of Father Cicero Romao Batista, 1844-1934

1994 America – Postal Vehicles

1994 Birds

1994 Birds

1994 The 600th Anniversary of the Birth of Prince Henry the Navigator, 1394-1460