UNESCO International Year of Light and Light-based Technologies 2015 2015
Now showing: Central African Republic - Postage stamps - 2015 - UNESCO International Year of Light and Light-based Technologies 2015 - 4 stamps.
2015
UNESCO International Year of Light and Light-based Technologies 2015
12. October WM: None Perforation: 13
![[UNESCO International Year of Light and Light-based Technologies 2015, type ]](https://www.stampworld.com/media/catalogue/Central-African-Republic/Postage-stamps/5656-b.jpg)
| No. | Type | D | Color | Description |
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| 5656 | HBW | 900Fr | multicoloured | Alhazen, 965-c.1040 | 2.58 | - | 2.58 | - | USD |
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| 5657 | HBX | 900Fr | multicoloured | Arno Allan Penzias | 2.58 | - | 2.58 | - | USD |
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| 5658 | HBY | 900Fr | multicoloured | Isaac Newton, 1642-1727 and the white light | 2.58 | - | 2.58 | - | USD |
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| 5659 | HBZ | 900Fr | multicoloured | Willebrord Snell, 1580-1626 | 2.58 | - | 2.58 | - | USD |
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| 5656‑5659 | Minisheet | 10.32 | - | 10.32 | - | USD | |||||||||||
| 5656‑5659 | 10.32 | - | 10.32 | - | USD |
