Stamps of Colombia, 18 base day
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postage
1954, Jul 18 7th National Athletic Games issue unwmk p. 13
| X | 5c | emblem | ||||
| - | 10c | red | Stadium & athlete holding arms of Colombia |
1957, Oct 18 p. 12
| - | 1c | dkgrn | St Vincent de Paul |
1962, Oct 18 UPAE 50th issue wmk. parallel curved lines p. 14
| X | 20c |
1967, Jan 18 Famous Colombians issue - famous men (1967) unwmk p. 13.5x14
| X | 25c | dkvio & bis | Camilo Torres | |||
| X | 60c | dkredbrn & bis | Jorge Tadeo Lozano | |||
| - | 1p | grn & bis | Francisco Antonio Zea |
1974, Jun 18 100th Anniversary of the Birth of Laura Montoya issue p. 13.75x14.25
| - | 1p | multi | Laura Montoya |
1974, Jul 18 10th National Games issue p. 14x13.75
| - | 2p | multi |
1978, Apr 18 (no perf info)
| - | 2.50p | multi | Cattleya trianae |
1978, Apr 18 p. 12.25x12.5
| - | 3.50p | multi | Lost City Tayrona Culture |
1983, Aug 18 200th Anniversary of Royal Botanical Expedition from Spain to South America issue p. 14 (6 stamps)
| - | 9p | multi | Cinchona lanceifolia | |||
| - | 9p | multi | Passiflora laurifolia | |||
| - | 12p | multi | Begonia guaduensis | |||
| - | 12p | multi | Cinchona ovalifolia | |||
| - | 40p | multi | Begonia urticae | |||
| - | 60p | multi | Cinchona cordifolia |
1991, Apr 18 butterflies (1991 Colombia) (6 stamps)
| - | 70p | multi | Callithea philotima | — | — | |
| - | 70p | multi | Anaea syene | — | — | |
| - | 80p | multi | Agrias amydon | |||
| - | 80p | multi | Thecla coronata | — | — | airmail |
| X | 170p | multi | Morpho rhetenor | airmail | ||
| - | 190p | multi | Heliconius longarenus ernestus | airmail |
1991, Apr 18 Butterflies issue
| - | 70p | multi | Callithea philotima | |||
| - | 70p | multi | Anaea syene | |||
| - | 80p | multi | Thecla coronata |
1992, May 18 14th National Games issue
| - | 110p | multi |
1995, Dec 18 Christmas 1995 issue p. 12
| - | 220p | multi | ||||
| - | 330p | multi |
1996, Jul 18 150th Anniversary of National Capitol, Bogota issue p. 14
| - | 700p | multi |
1996, Oct 18 Exfilbo '96 issue p. 12
| - | 400p | multi |
1997, Mar 18 2nd Anniversary of the Death of Alvaro Gomez Hurtado issue
| - | 400p | multi |
2001, Jul 18 Copa America Football Championships 2001 issue p. 13.75
| - | 1900p | multi |
2002, Feb 18 Children's Day 2002 issue p. 12.25
| - | 1400p | multi | "Flower and Girl" - Diana Tovar Reyes |
2010, Feb 18 9th South American Games issue p. 14
| - | 5800p | multi |
2012, Dec 18 Colombian Medallists at London 2012 issue (no perf info)
| - | 1800p | multi | ||||
| - | 30000p | multi |
2014, Mar 18 Centenary of the Secondary School Gimnasio Moderno issue p. 13.5
| - | 800p | multi | — | — |
2016, May 18
| - | 10000p | multi | José Francisco Socarrás Colina | — | — |
2017, Oct 18 25 Years of the Nuevo Futuro de Colombia Association issue (no perf info)
| - | 2000p | multi | — | — |
2018, May 18 Barranquilla issue (6 stamps)
| - | 5000p | multi | — | — | ||
| - | 5000p | multi | — | — | ||
| - | 5000p | multi | — | — | ||
| - | 5000p | multi | — | — | ||
| - | 5000p | multi | — | — | ||
| - | 5000p | multi | — | — |
2018, Jul 18 Juan Manuel Santos Calderón - Recipient of the 2016 Nobel Peace Prize issue
| - | 2000p | multi | — | — |
2022, Nov 18 Men's Clothing from the 16th Century - The 200th Anniversary of Independence issue (no wmk info)
| - | 2000p | multi | — | — | ||
| - | 2000p | multi | — | — | ||
| - | 2000p | multi | — | — |
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