Now showing: Costa Rica - Postage stamps (1990 - 1999) - 12 stamps.
March WM: None Perforation: 13¼
![[The 90th Anniversary of Rotary International, type AML]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AML-s.jpg)
June WM: None Perforation: 10½
![[Anniversaries, type AMM]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AMM-s.jpg)
![[Anniversaries, type AMN]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AMN-s.jpg)
| No. | Type | D | Color | Description |
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| 1444 | AMM | 10Col | multicoloured | The 200th Anniversary of the Birth of Antonio Jose de Sucre (President of Bolivia, 1826-28) | 0.29 | - | 0.29 | - | USD |
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| 1445 | AMN | 30Col | multicoloured | The 100th Anniversary of the Death of Jose Marti (Poet and Cuban Revolutionar | 0.86 | - | 0.86 | - | USD |
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| 1444‑1445 | 1.15 | - | 1.15 | - | USD |
24. July WM: None Perforation: 13¼
![[The 50th Anniversary of Guanacaste Institute, type AMO]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AMO-s.jpg)
11. September WM: None
![[Issue of 1993 Surcharged 5, type AMP]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AMP-s.jpg)
24. October WM: None Perforation: 10½
![[The 50th Anniversary of the United Nations, type AMQ]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AMQ-s.jpg)
1. December WM: None Perforation: 10½
![[The 13th National Stamp Exhibition - Seasonal Paintings by Lola Fernandez, type AMS]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AMS-s.jpg)
25. December WM: None Perforation: 13¼
![[America - Environmental Protection, type ]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/1451-b.jpg)
| No. | Type | D | Color | Description |
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| 1451 | AMT | 30Col | multicoloured | Jabiru mycteria | 1.73 | - | 0.86 | - | USD |
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| 1452 | AMU | 40Col | multicoloured | 1.73 | - | 1.15 | - | USD |
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| 1453 | AMV | 40Col | multicoloured | 1.73 | - | 1.15 | - | USD |
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| 1454 | AMW | 50Col | multicoloured | Atta cephalotes | 1.73 | - | 1.73 | - | USD |
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| 1451‑1454 | Block of 4 | 17.28 | - | 11.52 | - | USD | |||||||||||
| 1451‑1454 | 6.92 | - | 4.89 | - | USD |
