UNESCO International Year of Light and Light-based Technologies 2015 2015
Näytetään: Keski-Afrikan Tasavalta - Postimaksumerkit - 2015 - UNESCO International Year of Light and Light-based Technologies 2015 - 4 postimerkit.
2015
UNESCO International Year of Light and Light-based Technologies 2015
12. lokakuu VM: Ei mitään Perforaatio: 13
![[UNESCO International Year of Light and Light-based Technologies 2015, tyyppi ]](https://www.stampworld.com/media/catalogue/Central-African-Republic/Postage-stamps/5656-b.jpg)
| No. | Tyyppi | D | Väri | Kuvaus |
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| 5656 | HBW | 900Fr | monivärinen | Alhazen, 965-c.1040 | 2,71 | - | 2,71 | - | USD |
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| 5657 | HBX | 900Fr | monivärinen | Arno Allan Penzias | 2,71 | - | 2,71 | - | USD |
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| 5658 | HBY | 900Fr | monivärinen | Isaac Newton, 1642-1727 and the white light | 2,71 | - | 2,71 | - | USD |
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| 5659 | HBZ | 900Fr | monivärinen | Willebrord Snell, 1580-1626 | 2,71 | - | 2,71 | - | USD |
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| 5656‑5659 | Minisheet | 10,86 | - | 10,86 | - | USD | |||||||||||
| 5656‑5659 | 10,84 | - | 10,84 | - | USD |
