Now showing: Costa Rica - Postage stamps (1990 - 1999) - 15 stamps.
27. February WM: None Perforation: 10½
![[The 100th Anniversary of National Theatre, type AJR]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AJR-s.jpg)
1. June WM: None Perforation: 10½
![[Football World Cup - Italy, type AJS]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AJS-s.jpg)
24. August WM: None Perforation: 10½
![[The 50th Anniversary of University of Costa Rica, type AJT]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AJT-s.jpg)
31. October WM: None Perforation: 12½
![[Patriotic Symbols, type AJU]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AJU-s.jpg)
![[Patriotic Symbols, type AJV]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AJV-s.jpg)
![[Patriotic Symbols, type AJW]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AJW-s.jpg)
5. November WM: None
![[Airmail - Issue of 1989 Overprinted "LEY 7097 CORREO AEREO", type AJX]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AJX-s.jpg)
16. November WM: None Perforation: 10½
![[Costa Rican Coffee, type AJY]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AJY-s.jpg)
6. December WM: None Perforation: 10½
![[The 150th Anniversary of the Penny Black, type AJZ]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AJZ-s.jpg)
18. December WM: None Perforation: 12¾
![[The 100th Anniversaries of Hospitals, type AKA]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AKA-s.jpg)
![[The 100th Anniversaries of Hospitals, type AKB]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AKB-s.jpg)
21. December WM: None Perforation: 10½
![[America - The Natural World, type AKC]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AKC-s.jpg)
![[America - The Natural World, type AKD]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AKD-s.jpg)
![[America - The Natural World, type AKE]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AKE-s.jpg)
![[America - The Natural World, type AKF]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AKF-s.jpg)
| No. | Type | D | Color | Description |
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| 1381 | AKC | 18Col | multicoloured | Ara macao | 4.22 | - | 0.26 | - | USD |
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| 1382 | AKD | 18Col | multicoloured | Ara ambigua | 4.22 | - | 0.26 | - | USD |
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| 1383 | AKE | 24Col | multicoloured | Tabebuia ochracea | 1.06 | - | 0.26 | - | USD |
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| 1384 | AKF | 24Col | multicoloured | Cassia grandis | 1.06 | - | 0.26 | - | USD |
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| 1381‑1384 | 10.56 | - | 1.04 | - | USD |
