1978 Local Motives 1978 Airmail – Local Motives 1978 Airmail – The 150th Anniversary of Antioquia University Law School 1978 Airmail – The 150th Anniversary of Ocana Convention 1978 Airmail – The 150th Anniversary of Cartagena University 1978 The 13th Central American and Caribbean Games, Medellin 1978 The 100th Anniversary of Bogota Chamber of Commerce 1978 Airmail – Tolima Culture 1978 Airmail – The 1000th Anniversary of Castilian Language 1978 Airmail – The 50th Anniversary of Presidential Guard Battalion 1978 Airmail – Muisca Culture 1978 The 100th Anniversary of the Death of General Tomas Cipriano de Mosquera, 1789-1878 1978 Airmail – National Stamp Exhibition “ESPAMER ’78” – Bogota, Colombia 1978 Airmail – National Stamp Exhibition “ESPAMER ’78” – Bogota, Colombia 1978 Airmail – Calima Culture 1978 Airmail – Christmas 1979 Airmail – Manizales Fair 1979 Local Motives 1979 Airmail – Local Motives 1979 Airmail – Quimbaya Culture 1979 Airmail – International Year of the Child 1979 Anthurium Flowers from Narino 1979 City Crest 1979 City Crest 1979 Airmail – Hydroelectric Power Station in Rio Prado, Tolima 1979 City Crest 1979 Airmail – Tourism 1979 Airmail – The 400th Anniversary of the Death of Gonzalo Jimenez de Quesada, 1500-1579