Colombia

1987 Social Security and Communications

1987 Airmail – International Year of Shelter for the Homeless

1987 The 33rd Anniversary of the Death of of Aurelio Martinez Mutis, 1884-1954

1987 Definitive Issue

1987 The 150th Anniversary of the Birth of Jorge Isaacs, Writer, 1837-1895

1987 Airmail – The 100th Anniversary of “El Espectador” Newspaper

1987 Airmail – Pure-bred Horses

1987 Airmail – Nature Conservation

1987 Nature Conservation

1987 Condor