Minerals 2018
Now showing: Guinea Bissau - Postage stamps - 2018 - Minerals - 5 stamps.
2018
Minerals
15. October WM: None Perforation: 13½
![[Minerals, type ]](https://www.stampworld.com/media/catalogue/Guinea-Bissau/Postage-stamps/9828-b.jpg)
| No. | Type | D | Color | Description |
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| 9828 | NGR | 640FCFA | multicoloured | Cassiterite, Bolivia | 1.74 | - | 1.74 | - | USD |
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| 9829 | NGS | 640FCFA | multicoloured | Brookite, Pakistan | 1.74 | - | 1.74 | - | USD |
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| 9830 | NGT | 640FCFA | multicoloured | Willemite, Namibia | 1.74 | - | 1.74 | - | USD |
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| 9831 | NGU | 640FCFA | multicoloured | Spodumene, Afghanistan | 1.74 | - | 1.74 | - | USD |
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| 9832 | NGV | 640FCFA | multicoloured | Celestine, Madagascar | 1.74 | - | 1.74 | - | USD |
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| 9828‑9832 | Minisheet | 8.69 | - | 8.69 | - | USD | |||||||||||
| 9828‑9832 | 8.70 | - | 8.70 | - | USD |
