Guinea Bissau
Now showing: Guinea Bissau - Postage stamps (1974 - 2018) - 1 stamps.
2018
Minerals
18. June WM: None Perforation: 13½
![[Minerals, type ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Guinea-Bissau/Postage-stamps/9518-b.jpg)
| No. | Type | D | Color | Description |
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| 9518 | MWV | 640FCFA | multicoloured | Ilmenite, Pakistan | 1.62 | - | 1.62 | - | USD |
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| 9519 | MWW | 640FCFA | multicoloured | Milerite, WI, USA | 1.62 | - | 1.62 | - | USD |
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| 9520 | MWX | 640FCFA | multicoloured | Euclase, Cundinamarca, Colombia | 1.62 | - | 1.62 | - | USD |
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| 9521 | MWY | 640FCFA | multicoloured | Kyanite, Brazil | 1.62 | - | 1.62 | - | USD |
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| 9522 | MWZ | 640FCFA | multicoloured | Spessartine, Haramosh Mountain, Pakistan | 1.62 | - | 1.62 | - | USD |
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