Colombia

1981 Airmail – The 400th Anniversary of the Birth of St. Pedro Claver, 1580-1654

1980 Airmail – The 150th Anniversary of the Death of Simon Bolivar, 1783-1830

1980 The 150th Anniversary of the Death of Simon Bolivar, 1783-1830

1980 The 50th Anniversary of Refounding of Pontifical Xavier University Law Faculty

1980 The 20th Anniversary of Colombian Anti-cancer League

1980 Airmail – The 28th World Golf Cup, Cajica

1980 The 11th National Games, Neiva

1980 Airmail – Christmas

1980 The 100th Anniversary of the Birth of Dr. Enrique Olaya Herrera, 1837-1880

1980 City of Armenia