Stamps of Costa Rica, 24 base day
1 to 50 of 104
postage
1921, Jul 24 unwmk p. 12
| - | 15c | vio | Bolivar |
1976, May 24 UPU 100th (in 1974) issue p. 11.75 (5 stamps)
| - | 20c | multi | Postrider 1839 | |||
| - | 50c | multi | Stamp of 1882 & Post Office | |||
| - | 65c | multi | Stamp of 1882 & Post Office | |||
| - | 85c | multi | Stamp of 1882 & Post Office | |||
| - | 2col | multi | UPU monument Bern |
1990, Aug 24 50th Anniversary of University of Costa Rica issue p. 10.5
| - | 18col | multi |
1991, May 24 Costa Rica-Panama Border Treaty 50th issue
| - | 10col | multi | w. unwmk | |||
| - | 10col | multi | — | — | ||
| - | 10col | multi | — | — |
1995, Jul 24 50th Anniversary of Guanacaste Institute issue unwmk p. 13.25
| - | 50col | multi |
1995, Oct 24 50th Anniversary of the United Nations issue p. 10.5
| - | 5col | multi |
1997, Sep 24 100th Anniversary of School of Fine Arts issue
| - | 50col | multi |
2001, Aug 24 2001 surcharges issue ovpted
| - | 5col | on 30col (27) | ||||
| - | 65col on 500col | multi | w. unwmk, p. 12.5 | |||
| - | 80col on 500col | multi | w. unwmk, p. 12.5 | |||
| - | 95col on 500col | multi | w. unwmk, p. 12.5 |
2002, Jan 24 2002 surcharges issue ovpted - patriotic symbols
| - | 65col on 200col | multi |
2002, Apr 24 America 2002 issue p. 10.5
| - | 65col | multi | ||||
| - | 100col | multi |
2004, Jun 24 Volcanoes issue (no perf info)
| - | 85col | multi | ||||
| - | 120col | multi | ||||
| - | 140col | multi |
2009, Aug 24 Natural Wonders of Costa Rica issue (7 stamps)
| - | 240col | multi | Arenal Volcano | — | — | |
| - | 240col | multi | Rio Celeste | — | — | |
| - | 240col | multi | Cerro Chirripo | — | — | |
| - | 240col | multi | Isla del Coco | — | — | |
| - | 240col | multi | Monteverde | — | — | |
| - | 240col | multi | Poas Volcano | — | — | |
| - | 240col | multi | Tortuguero | — | — |
2010, Jun 24 UPAEP 2010 issue (no wmk info)
| - | 280col | multi | Turdus grayi | — | — | |
| - | 340col | multi | Odocoileus virginianus | — | — |
2010, Aug 24 National Parks - Endangered Birds issue
| - | 400col | multi | roseate spoonbill | — | — | |
| - | 400col | multi | chiltote Icterus mesomelas | — | — | |
| - | 1000col | multi | harpy eagle | — | — | |
| - | 1000col | multi | Crested Eagle | — | — |
2011, Aug 24 Children's Eternal Rain Forest issue
| - | 500col | multi | — | — | ||
| - | 500col | multi | Lithobates vibicarius, p. 11 | — | — | |
| - | 1000col | multi | Lepanthes ciliisepala | — | — | |
| - | 1000col | multi | Leopardus wiedii, p. 11 | — | — |
2012, Aug 24 National Parks 2012 - Manuel Antonio issue unwmk (no perf info)
| - | 545col | multi |
2014, Apr 24 World Cup 2014 issue (no wmk info)
| - | 500col | multi | — | — | ||
| - | 710col | multi | — | — |
2015, Aug 24 National Parks 2015 - Cahuita - Coral Reefs issue
| - | 600col | multi | — | — | ||
| - | 600col | multi | — | — | ||
| - | 1000col | multi | — | — |
2016, Aug 24 National Parks 2016 - Las Baulas National Marine Park issue
| - | 1100col | multi | — | — | ||
| - | 1370col | multi | — | — | ||
| - | 2100col | multi | — | — |
2017, Aug 24 National Park of Water 'Juan Castro Blanco' (1992-2017) - Craugastor escoces issue p. 11
| - | 1100col | multi | — | — |
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