1967 Administrative Council of UPU Consultative Commission of Postal Studies
1967 Administrative Council of UPU Consultative Commission of Postal Studies
Colombia
1967 Airmail – The 10th Anniversary of National Apprenticeship Service
1967 Airmail – The 10th Anniversary of National Apprenticeship Service
1967 The 10th Anniversary of National Apprenticeship Service
1967 The 10th Anniversary of National Apprenticeship Service
1967 Airmail – The 6th Colombian Surgeons’ Congress, Bogota and 100th Anniversary of National University
1967 Airmail – The 6th Colombian Surgeons’ Congress, Bogota and 100th Anniversary of National University
1967 Airmail – The 50th Anniversary of Lions International
1967 Airmail – The 50th Anniversary of Lions International
1967 The 50th Anniversary of Lions International
1967 The 50th Anniversary of Lions International
1967 Airmail – National Orchid Congress and Tropical Flora and Fauna Exhibition, Medellin
1967 Airmail – National Orchid Congress and Tropical Flora and Fauna Exhibition, Medellin
1967 Airmail – National Orchid Congress and Tropical Flora and Fauna Exhibition, Medellin
1967 Airmail – National Orchid Congress and Tropical Flora and Fauna Exhibition, Medellin
1967 National Orchid Congress and Tropical Flora and Fauna Exhibition, Medellin
1967 National Orchid Congress and Tropical Flora and Fauna Exhibition, Medellin
1967 Airmail – “Declaration of Bogota”
1967 Airmail – “Declaration of Bogota”