Now showing: Guinea Bissau - Postage stamps (1990 - 1999) - 9 stamps.
31. August WM: None Sheetsize: 16 Perforation: 12¼ x 12
![[Rare Animals, type ]](https://www.stampworld.com/media/catalogue/Guinea-Bissau/Postage-stamps/0891-b.jpg)
| No. | Type | D | Color | Description |
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| 891 | AEK | 5000P | multicoloured | Hippopotamus amphibius | - | - | - | - | USD |
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| 892 | AEL | 7500P | multicoloured | Crocodulus niloticus | - | - | - | - | USD |
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| 893 | AEM | 10000P | multicoloured | Chelonia mydas | - | - | - | - | USD |
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| 894 | AEN | 12000P | multicoloured | Trichechus senegalensis | - | - | - | - | USD |
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| 891‑894 | Block of 4 | - | - | - | - | USD | |||||||||||
| 891‑894 | - | - | - | - | USD |
31. August WM: None Perforation: 12¼ x 12
![[Venomous Animals, type ]](https://www.stampworld.com/media/catalogue/Guinea-Bissau/Postage-stamps/0895-b.jpg)
26. December WM: None Perforation: 12¼ x 12
![[The 20th Anniversary of Economic Community of West African States, type AES]](https://www.stampworld.com/media/catalogue/Guinea-Bissau/Postage-stamps/AES-s.jpg)
