1972 Airmail – Barranquilla International Carnival
1972 Airmail – Barranquilla International Carnival
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1972 Airmail – The 7th World Orchid-growers’ Congress, Medellin
1972 Airmail – The 7th World Orchid-growers’ Congress, Medellin
1972 The 10th National Stamp Exhibition – Medelllin, Colombia
1972 The 10th National Stamp Exhibition – Medelllin, Colombia
1972 Airmail – Colombian Crafts and Products
1972 Airmail – Colombian Crafts and Products
1972 The 20th Anniversary of Colombian Troops’ Participation in Korean War
1972 The 20th Anniversary of Colombian Troops’ Participation in Korean War
1972 The 300th Anniversary of the Birth of Francisca Josefa de Castillo
1972 The 300th Anniversary of the Birth of Francisca Josefa de Castillo
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