Centralafrika Rep
Visar nu: Centralafrika Rep - Postfrimärken (1959 - 2021) - 1 frimärken.
2015
UNESCO International Year of Light and Light-based Technologies 2015
12. oktober WM: Inga Perforering: 13
![[UNESCO International Year of Light and Light-based Technologies 2015, Typ ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Central-African-Republic/Postage-stamps/5656-b.jpg)
| Nummer | Typ | D | Färg | Beskrivning |
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| 5656 | HBW | 900Fr | flerfärgad | Alhazen, 965-c.1040 | 2,72 | - | 2,72 | - | USD |
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| 5657 | HBX | 900Fr | flerfärgad | Arno Allan Penzias | 2,72 | - | 2,72 | - | USD |
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| 5658 | HBY | 900Fr | flerfärgad | Isaac Newton, 1642-1727 and the white light | 2,72 | - | 2,72 | - | USD |
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| 5659 | HBZ | 900Fr | flerfärgad | Willebrord Snell, 1580-1626 | 2,72 | - | 2,72 | - | USD |
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