Colombia
1974 The 100th Anniversary of Antioquia Railway
1974 The 100th Anniversary of Antioquia Railway
1974 Airmail – The 100th Anniversary of U.P.U. – Colombian Birds
1974 Airmail – The 100th Anniversary of U.P.U. – Colombian Birds
1974 Airmail – The 100th Anniversary of Colombian Insurance Company
1974 Airmail – The 100th Anniversary of Colombian Insurance Company
1974 The 100th Anniversary of Colombian Insurance Company
1974 The 100th Anniversary of Colombian Insurance Company
1974 Airmail – The 150th Anniversary of Battles of Junin and Ayacucho
1974 Airmail – The 150th Anniversary of Battles of Junin and Ayacucho
1974 Airmail – The 100th Anniversary of Universal Postal Union
1974 Airmail – The 100th Anniversary of Universal Postal Union
1974 Airmail – The 100th Anniversary of Bank of Colombia
1974 Airmail – The 100th Anniversary of Bank of Colombia