1972 The 20th Anniversary of Institute of Educational Credit and Technical Training Abroad
1972 The 20th Anniversary of Institute of Educational Credit and Technical Training Abroad
Colombia
1972 The 20th Anniversary of Inter-Governmental Committee on European Migration
1972 The 20th Anniversary of Inter-Governmental Committee on European Migration
1972 Airmail – Previous Issues Overprinted “AEREO”
1972 Airmail – Previous Issues Overprinted “AEREO”
1971 Airmail – The 150th Anniversary of Battle of Carabobo
1971 Airmail – The 150th Anniversary of Battle of Carabobo
1971 The 150th Anniversary of Great Colombia Constituent Assembly, Rosario del Cucuta
1971 The 150th Anniversary of Great Colombia Constituent Assembly, Rosario del Cucuta
1971 National Stamp Exhibition “EXFICALI 71” – Cali, Colombia and Folklore Dances and Costumes
1971 National Stamp Exhibition “EXFICALI 71” – Cali, Colombia and Folklore Dances and Costumes
1971 National Stamp Exhibition “EXFICALI 71” – Cali, Colombia and Folklore Dances and Costumes
1971 National Stamp Exhibition “EXFICALI 71” – Cali, Colombia and Folklore Dances and Costumes