Minerals 1992
Now showing: United States - Postage stamps - 1992 - Minerals - 4 stamps.
1992
Minerals
17. September WM: None Perforation: 11
![[Minerals, type ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/United-States/Postage-stamps/2437-b.jpg)
| No. | Type | D | Color | Description |
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| 2437 | CBW | 29(C) | multicoloured | Azurite | (37 mill) | 0.54 | - | 0.27 | 1.07 | USD |
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| 2438 | CBX | 29(C) | multicoloured | Copper | (37 mill) | 0.54 | - | 0.27 | 1.07 | USD |
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| 2439 | CBY | 29(C) | multicoloured | Variscite | (37 mill) | 0.54 | - | 0.27 | 1.07 | USD |
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| 2440 | CBZ | 29(C) | multicoloured | Wulfenite | (37 mill) | 0.54 | - | 0.27 | 1.07 | USD |
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| 2437‑2440 | Block of 4 | 2.15 | - | 1.61 | 4.29 | USD | |||||||||||
| 2437‑2440 | 2.16 | - | 1.08 | 4.28 | USD |
