Montre maintenant: Costa Rica - Timbres-Poste (1990 - 1999) - 14 Timbres-poste.
29. janvier WM: Aucun Perforation: 10½
![[Paintings in National Theatre, type ALI]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/ALI-s.jpg)
15. mars WM: Aucun Perforation: 13¼
![[Airmail - International Arts Festival, type ALJ]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/ALJ-s.jpg)
26. mars WM: Aucun
![[Issue of 1989 Surcharged, type ALK]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/ALK-s.jpg)
17. mai WM: Aucun Perforation: 10½
![[Dolphins, type ALL]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/ALL-s.jpg)
![[Dolphins, type ALM]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/ALM-s.jpg)
28. mai WM: Aucun Perforation: 13¼
![[The 40th Anniversary of Civil Service Statute, type ALN]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/ALN-s.jpg)
15. juillet WM: Aucun Perforation: 10½
![[The 50th Anniversary of Chamber of Industry, type ALO]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/ALO-s.jpg)
19. août WM: Aucun Perforation: 13¼
![[The 25th Anniversary of University of Costa Rica School of Communication and Sciences, type ALP]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/ALP-s.jpg)
27. août WM: Aucun Perforation: 10½
![[Tropical Rainforest Flora, type ALQ]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/ALQ-s.jpg)
![[Tropical Rainforest Flora, type ALR]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/ALR-s.jpg)
14. septembre WM: Aucun Perforation: 10½
![[The 50th Anniversary of Guaranteed Social Rights, type ALS]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/ALS-s.jpg)
octobre WM: Aucun Perforation: 13¼
![[The 15th International Customs Officers' Associations Congress, type ALT]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/ALT-s.jpg)
25. novembre WM: Aucun Perforation: 13¼
![[Airmail - The 30th Anniversary of Costa Rican Electrical Institute's Responsibility for Development of Telecommunications, type ALU]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/ALU-s.jpg)
26. novembre WM: Aucun Perforation: 10½
![[The 100th Anniversary of the Birth of Miguel Angel Castro Carazo - Founder of Commercial School, 1893-1960, type ALV]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/ALV-s.jpg)
