Stamps of Colombia, 12 base day
1 to 50 of 151
postage
1953, Dec 12 2nd National Philatelic Exhibition issue ovpted (no wmk info) (no perf info)
| - | 5c | on 5p-unissued (0) |
1954, Dec 12 Opening of the Paz del Rio steel mill issue unwmk p. 13
| X | 5c | ultra & blk | Paz del Rio steel mill |
1955, Apr 12 Grand-Colombian merchant fleet issue
| - | 15c | grn | fleet emblem | |||
| X | 20c | vio | MS City of Manizales & New York skyline | — | — |
1955, Apr 12 Greater Colombia Merchant Marine Commemoration issue (9 stamps)
| - | 5c | ltbl | — | — | ||
| - | 10c | red | — | — | ||
| - | 15c | ltgrn | — | — | ||
| - | 20c | vio | ||||
| - | 20c | ltpur | p. 13 | — | — | |
| - | 25c | blk | p. 13 | |||
| - | 25c | gray | p. 13 | — | — | |
| - | 50c | grn | p. 13 | |||
| - | 50c | p. 13 | — | — |
1958, May 12 International Geophysical Year issue p. 12
| - | 10c | blk | Francisco Jose de Caldas & hypsometer | |||
| - | 25c | dkgrn | Francisco Jose de Caldas & hypsometer | |||
| - | 1p | dkvio | Francisco Jose de Caldas & hypsometer |
1960, Feb 12 Humboldt death 100th issue
| X | 5c | multi | sloth | |||
| X | 10c | multi | Alexander von Humboldt | |||
| X | 20c | multi | spider monkey |
1962, Apr 12 anti-malaria issue
| X | 20c | |||||
| - | 50c |
1962, Jun 12 Engineer Society 75th issue (no perf info)
| - | 10c |
1967, Jul 12 Lions 50th issue
| - | 10p | multi | Lions emblem |
1970, Sep 12 p. 14x13.5
| X | 30c | greek mask |
1976, May 12 4th Cane Sugar Export and Production Congress issue p. 13.75x14.25
| - | 5p |
1983, Apr 12 p. 14
| - | 10p | multi | arms of San Juan de Pasto |
1985, Apr 12 fauna (1985)
| - | 12p | multi | Hydrochoerus hydrochaens | |||
| - | 14p | multi | Dryocopus lineatus nuperus, p. 12 |
1988, May 12 40th Anniversary of Declaration of Human Rights issue wmk. rectangles p. 14.25x14
| - | 30p | grn | ||||
| - | 35p | redpur |
1991, Oct 12 1st Anniversary of the Death of Alberto Lleras Camargo issue unwmk p. 12
| - | 80p | multi |
1994, Aug 12 Census 1993 issue p. 14
| - | 240p | multi |
1995, Oct 12 200th Anniversary of the Birth of Jose Maria Obando issue p. 12
| - | 220p | multi |
1999, May 12 70th Anniversary of Japanese Emigration to Colombia issue (no perf info)
| - | 1300p | multi | ||||
| - | 1300p | multi |
2002, Aug 12 Regional Conference of International Trade Union Organisation 2002 issue
| - | 1000p | multi |
2008, Dec 12 Christmas 2008 issue
| - | 1400p | multi | ||||
| - | 3500p | multi |
2009, Mar 12 70th Anniversary of Cali Philatelic Association issue p. 12
| - | 2000p | multi | — | — | ||
| - | 2000p | multi | — | — |
2010, Jun 12 500th Anniversary of the discovery of the Archipelago of St Andres, Providence and St Catherine issue p. 14 (9 stamps)
| - | 5900p | multi | Isla de San Andres | — | — | |
| - | 5900p | multi | Isla de Providencia Y Santa Catalina | — | — | |
| - | 5900p | multi | Cayos de Quitasueno | — | — | |
| - | 5900p | multi | Cayos del Este Sureste (Cayo Bolivar) | — | — | |
| - | 5900p | multi | Cayos de Roncador | — | — | |
| - | 5900p | multi | Cayos de Bajo Nuevo | — | — | |
| - | 5900p | multi | Cayos de Serranilla | — | — | |
| - | 5900p | multi | Cayos de Serrana | — | — | |
| - | 5900p | multi | Cayos de Alburquerque | — | — |
2010, Oct 12 America UPAEP 2010 issue p. 13
| - | 2100p | multi | flag of Colombia | — | — |
1 to 50 of 151