Colombia

1958 Airmail – Stamps for Domestic Airmail

1957 Airmail – The 3rd South American Fencing Championships

1957 The 3rd South American Fencing Championships

1957 Airmail – The 100th Anniversary of Colombian Order of St. Vincent de Paul

1957 The 100th Anniversary of Colombian Order of St. Vincent de Paul

1957 Airmail – The 14th UPU Congress, Ottawa and International Correspondence Week

1957 The 14th UPU Congress, Ottawa and International Correspondence Week

1957 Airmail – The 125th Anniversary of the Death of Jose Matias Delgado, Champion of Independence

1957 The 125th Anniversary of the Death of Jose Matias Delgado, Champion of Independence

1957 The 50th Anniversary of Military Cadet School