1944 Previous Issues Surcharged 1944 The 75th Anniversary of General Benefit Institution of Cundinamarca 1944 Murillo Toro, 1816-1880 1944 Imprint “Litografia Nacional Bogota” 1945 Political Leaders of the Allied in the Second World War WM: 4 1945 Definitive Issue WM: 4 1945 Airmail – Local Motifs 1945 Airmail – The 25th Anniversary of the First Airmail Service in America 1945 Stamp of 1935 Surcharged 1946 The 150th Anniversary of the Birth of General A. J. de Sucre, 1795-1830 WM: 3 1946 Definitive Stamps 1946 Definitive Stamps 1946 The 80th Anniversary of the Death of Andres Bello, 1781-1865 WM: 4

1950 Coat of Arms WM: 4 1951 The 60th Anniversary of Colombian Society of Engineer 1951 Airmail – Local Motives 1951 Airmail – Local Motives 1951 The 8th Anniversary of the Death of Guillermo Valencia, 1873-1943 1951 Nationalization of Barranca Oilfields – Previous Issue Overprinted “REVERSION CONCESION MARES 25 Agosto 1951” WM: 4 1952 Airmail – Local Motives 1952 International Airmail – Local Motives 1952 Colombian Doctors 1952 Building of Post Offices WM: 4 1952 The 100th Anniversary of Manizales 1952 The 1st Latin-American Congress of Iron Specialists – Previous Issue Surcharged 1952 Airmail – The 1st Latin-American Congress of Iron Specialists – Previous Issue Surcharged 1953 The 500th Anniversary of the Birth of Queen Isabela, the Catholic 1953 Airmail – Previous Issue Overprinted “AEREO” WM: 2 1953 Airmail – Previous Issues Overprinted “CORREO AEREO” and Surcharged WM: 4