Tsjecho-Slowakije
Wordt nu getoond: Tsjecho-Slowakije - Postzegels (1918 - 1992) - 1 postzegels.
1957
The 250th Anniversary of Polytechnic Engineering Schools, Prague
25. mei WM: Geen Perforatie: 11½
![[The 250th Anniversary of Polytechnic Engineering Schools, Prague, type RC]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Czechoslovakia/Postage-stamps/RC-s.jpg)
![[The 250th Anniversary of Polytechnic Engineering Schools, Prague, type RD]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Czechoslovakia/Postage-stamps/RD-s.jpg)
![[The 250th Anniversary of Polytechnic Engineering Schools, Prague, type RE]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Czechoslovakia/Postage-stamps/RE-s.jpg)
![[The 250th Anniversary of Polytechnic Engineering Schools, Prague, type RF]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Czechoslovakia/Postage-stamps/RF-s.jpg)
| Nummer. | Type | D | Kleur | Beschrijving |
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| 1021 | RC | 30H | grijsachtig zwart | J. Bozek, Founder | (4.590.000) | 0,27 | - | 0,27 | - | USD |
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| 1022 | RD | 60H | veelkleurig | F. J. Gerstner | (3.400.000) | 0,27 | - | 0,27 | - | USD |
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| 1023 | RE | 1Kc | karmijn bruin | R. Skuhersky | (3.680.000) | 0,27 | - | 0,27 | - | USD |
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| 1024 | RF | 1.40Kc | veelkleurig | Polytechnic Engineering Schools Building, Prague | (3.680.000) | 0,81 | - | 0,27 | - | USD |
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