Tsjecho-Slowakije
Wordt nu getoond: Tsjecho-Slowakije - Postzegels (1918 - 1992) - 1 postzegels.
1959
Radio Inventors
7. december WM: Geen Ontwerp: C. Bouda Perforatie: 11¾ x 11¼
![[Radio Inventors, type WS]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Czechoslovakia/Postage-stamps/WS-s.jpg)
![[Radio Inventors, type WT]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Czechoslovakia/Postage-stamps/WT-s.jpg)
![[Radio Inventors, type WU]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Czechoslovakia/Postage-stamps/WU-s.jpg)
![[Radio Inventors, type WV]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Czechoslovakia/Postage-stamps/WV-s.jpg)
![[Radio Inventors, type WW]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Czechoslovakia/Postage-stamps/WW-s.jpg)
![[Radio Inventors, type WX]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Czechoslovakia/Postage-stamps/WX-s.jpg)
| Nummer. | Type | D | Kleur | Beschrijving |
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| 1167 | WS | 25H | veelkleurig | Tesla and Electrical Apparatus | (470.000) | 1,08 | - | 0,27 | - | USD |
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| 1168 | WT | 30H | veelkleurig | Aleksandr Popov | (3.200.000) | 0,27 | - | 0,27 | - | USD |
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| 1169 | WU | 35H | veelkleurig | Edouard Branly | (4.010.000) | 0,27 | - | 0,27 | - | USD |
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| 1170 | WV | 60H | veelkleurig | Guglielmo Marconi, Natuurkunde 1909 | (4.190.000) | 0,27 | - | 0,27 | - | USD |
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| 1171 | WW | 1Kc | veelkleurig | Heinrich Hertz | (2.310.000) | 0,27 | - | 0,27 | - | USD |
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| 1172 | WX | 2Kc | veelkleurig | Edwin Armstrong | (860.000) | 1,62 | - | 0,81 | - | USD |
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