circa August 1910 - Centennial of Colombian Independence
Camilo Torres Tenorio Camilo Torres Tenorio (inverted center) Policarpa Salavarrieta Antonio Nariño Simon Bolívar Francisco José de Caldas (astronomy) Francisco de Paula Santander Bolívar Freeing Slaves Bolívar Resigning
circa 1917 - Definitives
Francisco José de Caldas (astronomy) Camilo Torres Tenorio Antonio Nariño Francisco de Paula Santander Simon Bolívar José María Córdova Battle of Boyacá Monument Cartagena Sucre Rufino José Cuervo Antonio Ricaurte Coat of Arms
circa 1920s - Definitives
Francisco de Paula Santander Coat of Arms Francisco José de Caldas (astronomy) Sabana Station Antonio Ricaurte Antonio Ricaurte perf 11 Coat of Arms Coat of Arms perf 11
20 January 1932 - Surcharges
1c on #400 inverted 1c on #400 20c on #402 inverted 20c on #402 double 20c on #402
3 March 1939 - Definitives
Simon Bolívar Oil Wells Coffee Picker Gold Miner Coat of Arms Christopher Columbus Francisco José de Caldas (astronomy) Sabana Station
circa 1944 - Litografia Nacional Bogota Overprints
Simon Bolívar (deep green) Simon Bolívar (olive green) imperforate pair Oil Wells imperforate pair Gold Miner Francisco José de Caldas (astronomy) imperforate pair Quinta de San Pedro Alejandrino
circa August 1946 - National Observatory
Observatory imperforate pair
circa 1947 - Famous Men
José Celestino Mutis (astronomy) / José Jerónimo Triana Miguel Caro / Rufino Cuervo
9 May 1947 - Pan-American Press Congress
Francisco José de Caldas (astronomy) Manuel del Socorro Rodriguez
circa 1948 - Famous Men
José Celestino Mutis (astronomy) / José Jerónimo Triana Joaquín de Cayzedo y Cuero Miguel Antonio Caro / Rufino José Cuervo
29 May 1948 - National Observatory
Observatory
24 April 1949 - Julio Garavito Armero
Julio Garavito Armero (astronomy)
30 October 1952 - Latin American Siderugical Conference Overprint
#555
12 May 1958 - International Geophysical Year
Francisco José de Caldas 10c Francisco José de Caldas 25c Francisco José de Caldas 1p
12 February 1960 - Alexander von Humboldt
Sloth Alexander von Humboldt Spider Monkey Anteater Armadillo Parrot Fish
circa September 1961 - Airmail Surcharges
#713 #716 #715
25 October 1965 - International Telecommunication Union Centennial
International Telecommunication Union Insignia / Radio Waves
Jorge Alvarez Lleras / National Astronomical Observatory
19 December 1997 - Personalities
sheet of 12 Luis Carlos López Aurelio Arturo Enrique Pérez Arbeláez José Maria González Benito (astronomy) José Manuel Rivas Sacconi Eduardo Lemaitre Diójenes Arrieta Gabriel Turbay Abunader Guillermo Echavarría Misas Juan Friede Alter Fabio Lozano Torrijos Lino de Pombo
circa 2005 - International Day of Ozone Layer Protection