Great Scientific Discoveries 1987
Now showing: Grenada Grenadines - Postage stamps - 1987 - Great Scientific Discoveries - 4 stamps.
1987
Great Scientific Discoveries
9. September WM: None Perforation: 14
![[Great Scientific Discoveries, type AIV]](https://www.stampworld.com/media/catalogue/Grenada-Grenadines/Postage-stamps/AIV-s.jpg)
![[Great Scientific Discoveries, type AIW]](https://www.stampworld.com/media/catalogue/Grenada-Grenadines/Postage-stamps/AIW-s.jpg)
![[Great Scientific Discoveries, type AIX]](https://www.stampworld.com/media/catalogue/Grenada-Grenadines/Postage-stamps/AIX-s.jpg)
| No. | Type | D | Color | Description |
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| 914 | AIV | 60C | multicoloured | 0.78 | - | 0.78 | - | USD |
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| 915 | AIW | 1$ | multicoloured | Louis Daguerre (Inventor of Daguerreotype) | 1.04 | - | 1.04 | - | USD |
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| 916 | AIX | 2$ | multicoloured | Antoine Lavoisier | 2.61 | - | 2.61 | - | USD |
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| 917 | AIY | 3$ | multicoloured | Rudolf Diesel | 5.22 | - | 5.22 | - | USD |
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| 914‑917 | 9.65 | - | 9.65 | - | USD |
