South America

1988 The 100th Anniversary of the Birth of Eduardo Santos, 1888-1974

1988 Jorge Alvarez Lleras, Astronomer, 1885-1952

1988 The 100th Anniversary of Return of Society of Jesus to St. Bartholomew’s Senior College

1988 Nature Conservation WM: 7

1988 Airmail – Atlantic Sailfish WM: 7

1988 Airmail – The 450th Anniversary of Bogota

1988 Airmail – Human Rights WM: 7

1988 Human Rights WM: 7

1988 The 100th Anniversary of the Birth of Maria Currea de Aya, Women’s Rights Pioneer, 1888-1985

1988 The 100th Anniversary of National Anthem by Rafael Nunez and Oreste Sindici