Ditunjukkan sekarang: Costa Rica - Setem-setem bayaran pos (1990 - 1999) - 15 Setem-setem.
18. March WM: Tiada Perforasi: 13¼
![[National Theatre, jenis ALW]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/ALW-s.jpg)
22. April WM: Tiada Perforasi: 10½
![[Airmail - The 150th Anniversary of Ministry of Government and Police, jenis ALX]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/ALX-s.jpg)
29. April WM: Tiada Perforasi: 12½
![[Marine Life, jenis ALY]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/ALY-s.jpg)
![[Marine Life, jenis ALZ]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/ALZ-s.jpg)
![[Marine Life, jenis AMA]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AMA-s.jpg)
![[Marine Life, jenis AMB]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AMB-s.jpg)
![[Marine Life, jenis AMC]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AMC-s.jpg)
![[Marine Life, jenis AMD]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AMD-s.jpg)
![[Marine Life, jenis AME]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AME-s.jpg)
![[Marine Life, jenis AMF]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AMF-s.jpg)
![[Marine Life, jenis AMG]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AMG-s.jpg)
| No. | Jenis | D | Warna | Deskripsi |
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| 1430 | ALY | 5Col | pelbagai warna | Cyphoma gibbosum | 0.29 | - | 0.29 | - | USD |
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| 1431 | ALZ | 10Col | pelbagai warna | Ophioderma rubicundum | 0.88 | - | 0.29 | - | USD |
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| 1432 | AMA | 15Col | pelbagai warna | Myripristis jacobus | 1.17 | - | 0.29 | - | USD |
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| 1433 | AMB | 20Col | pelbagai warna | Holacanthus passer | 1.76 | - | 0.29 | - | USD |
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| 1434 | AMC | 35Col | pelbagai warna | Paranthias furcifer | 2.93 | - | 0.59 | - | USD |
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| 1435 | AMD | 45Col | pelbagai warna | Tubastraea coccinea | 4.69 | - | 0.88 | - | USD |
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| 1436 | AME | 50Col | pelbagai warna | Acanthaster planci | 4.69 | - | 0.88 | - | USD |
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| 1437 | AMF | 55Col | pelbagai warna | Ocypode sp. | 5.86 | - | 0.88 | - | USD |
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| 1438 | AMG | 70Col | pelbagai warna | Arothron meleagris | 5.86 | - | 1.17 | - | USD |
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| 1430‑1438 | 28.13 | - | 5.56 | - | USD |
29. April WM: Tiada Perforasi: 12½
![[Marine Life, jenis ]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/1439-b.jpg)
5. May WM: Tiada Perforasi: 10½
![[Airmail - International Year of the Family, jenis AMI]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AMI-s.jpg)
19. December WM: Tiada Perforasi: 10½
![[America - Postal Transport, jenis ]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/1441-b.jpg)
