Now showing: Costa Rica - Postage stamps (1990 - 1999) - 15 stamps.
18. March WM: None Perforation: 13¼
![[National Theatre, type ALW]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/ALW-s.jpg)
22. April WM: None Perforation: 10½
![[Airmail - The 150th Anniversary of Ministry of Government and Police, type ALX]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/ALX-s.jpg)
29. April WM: None Perforation: 12½
![[Marine Life, type ALY]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/ALY-s.jpg)
![[Marine Life, type ALZ]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/ALZ-s.jpg)
![[Marine Life, type AMA]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AMA-s.jpg)
![[Marine Life, type AMB]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AMB-s.jpg)
![[Marine Life, type AMC]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AMC-s.jpg)
![[Marine Life, type AMD]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AMD-s.jpg)
![[Marine Life, type AME]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AME-s.jpg)
![[Marine Life, type AMF]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AMF-s.jpg)
![[Marine Life, type AMG]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AMG-s.jpg)
| No. | Type | D | Color | Description |
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| 1430 | ALY | 5Col | multicoloured | Cyphoma gibbosum | 0.29 | - | 0.29 | - | USD |
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| 1431 | ALZ | 10Col | multicoloured | Ophioderma rubicundum | 0.87 | - | 0.29 | - | USD |
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| 1432 | AMA | 15Col | multicoloured | Myripristis jacobus | 1.16 | - | 0.29 | - | USD |
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| 1433 | AMB | 20Col | multicoloured | Holacanthus passer | 1.74 | - | 0.29 | - | USD |
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| 1434 | AMC | 35Col | multicoloured | Paranthias furcifer | 2.90 | - | 0.58 | - | USD |
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| 1435 | AMD | 45Col | multicoloured | Tubastraea coccinea | 4.64 | - | 0.87 | - | USD |
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| 1436 | AME | 50Col | multicoloured | Acanthaster planci | 4.64 | - | 0.87 | - | USD |
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| 1437 | AMF | 55Col | multicoloured | Ocypode sp. | 5.80 | - | 0.87 | - | USD |
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| 1438 | AMG | 70Col | multicoloured | Arothron meleagris | 5.80 | - | 1.16 | - | USD |
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| 1430‑1438 | 27.84 | - | 5.51 | - | USD |
29. April WM: None Perforation: 12½
![[Marine Life, type ]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/1439-b.jpg)
5. May WM: None Perforation: 10½
![[Airmail - International Year of the Family, type AMI]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AMI-s.jpg)
19. December WM: None Perforation: 10½
![[America - Postal Transport, type ]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/1441-b.jpg)
