International Year of the Ocean 1999
Now showing: Sierra Leone - Postage stamps - 1999 - International Year of the Ocean - 4 stamps.
1999
International Year of the Ocean
22. February WM: None Perforation: 14 x 141¾
![[International Year of the Ocean, type CTW]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/CTW-s.jpg)
![[International Year of the Ocean, type CTX]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/CTX-s.jpg)
![[International Year of the Ocean, type CTY]](https://www.stampworld.com/media/catalogue/Sierra-Leone/Postage-stamps/CTY-s.jpg)
| No. | Type | D | Color | Description |
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| 3161 | CTW | 150Le | multicoloured | Acanthurus leucosternon | 0.26 | - | 0.26 | - | USD |
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| 3162 | CTX | 250Le | multicoloured | Metridium senile | 0.52 | - | 0.52 | - | USD |
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| 3163 | CTY | 600Le | multicoloured | Microciona prolifera | 1.05 | - | 1.05 | - | USD |
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| 3164 | CTZ | 800Le | multicoloured | Platax pinnatus | 1.57 | - | 1.57 | - | USD |
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| 3161‑3164 | 3.40 | - | 3.40 | - | USD |
