1933 The 400th Anniversary of Cartagena City

1946 Airmail – The 80th Anniversary of the Death of Andres Bello, 1781-1865 WM: 4 1946 Joaquin Calcedo, 1773-1813 WM: 2 1946 The 5th Central American and Caribbean Games, Barranquilla WM: 4 1947 Frame WM: 2 1947 Colombian Orchids WM: 4 1947 The 4th Pan-American Press Congress, Bogota 1947 Airmail – Pan-American Press Congress, Bogota 1947 Jose Celestino Mutis, 1732-1808 and Jose Jeronimo Triana, 1828-1890 WM: 2 1947 M. A. Caro, 1843-1909 and R. J. Cuervo, 1844-1911 WM: 2 1948 The 9th Pan-American Congress, Bogota WM: 2 1948 Airmail – The 9th Pan-American Congress, Bogota WM: 2 1948 The 9th Pan-American Congress, Bogota WM: 2 1948 The 9th Pan-American Congress, Bogota WM: 2 1948 Airmail – Local Motives 1948 Previous Issue Overprinted “C” 1948 Previous Issues Overprinted “CORREOS” WM: 4 1948 Definitive Issue WM: 4 1948 Personalities 1948 Carlos Martinez Silva, 1847-1903 1949 Julio Garavito Armero, 1865-1920 WM: 4 1949 The 75th Anniversary of National Agricultural Society WM: 2 1949 New Constitution 1949 Airmail – New Constitution