Minerals 2018
Now showing: Guinea Bissau - Postage stamps - 2018 - Minerals - 5 stamps.
2018
Minerals
17. December WM: None Perforation: 13½
![[Minerals, type ]](https://www.stampworld.com/media/catalogue/Guinea-Bissau/Postage-stamps/9936-b.jpg)
| No. | Type | D | Color | Description |
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| 9936 | NKV | 640FCFA | multicoloured | Wilhelm Haidinger, 1795-1871; Demantoide, Quebec, Canada | 1.57 | - | 1.57 | - | USD |
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| 9937 | NKW | 640FCFA | multicoloured | Rene Just Hauy, 1743-1822; Euclase, Zimbabwe | 1.57 | - | 1.57 | - | USD |
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| 9938 | NKX | 640FCFA | multicoloured | James Dwight Dana, 1813-1895; Brookite, Genoa, Italy | 1.57 | - | 1.57 | - | USD |
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| 9939 | NKY | 640FCFA | multicoloured | James Smithson, 1765-1829; Brazilianite, Minas Gerais, Brazil | 1.57 | - | 1.57 | - | USD |
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| 9940 | NKZ | 640FCFA | multicoloured | Alexandre Brongniart, 1770-1847; Analcite, Italy | 1.57 | - | 1.57 | - | USD |
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| 9936‑9940 | Minisheet | 7.83 | - | 7.83 | - | USD | |||||||||||
| 9936‑9940 | 7.85 | - | 7.85 | - | USD |
