Lengyelország
Most látható: Lengyelország - Postaköltség bélyegek (1860 - 2024) - 1 bélyegek.
1951
The First Congress for Polish Science in Warsaw
25. június Vj: Senki Ívméret: 100 Tervezte: B. Brandt Metszet: E. Konecki Fogazat: 12½:12¾
![[The First Congress for Polish Science in Warsaw, típus LA]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/LA-s.jpg)
![[The First Congress for Polish Science in Warsaw, típus LB]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/LB-s.jpg)
![[The First Congress for Polish Science in Warsaw, típus LC]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/LC-s.jpg)
![[The First Congress for Polish Science in Warsaw, típus LD]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/LD-s.jpg)
![[The First Congress for Polish Science in Warsaw, típus LE]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/LE-s.jpg)
![[The First Congress for Polish Science in Warsaw, típus LF]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/LF-s.jpg)
| No. | Típus | D | Szín | Leírás |
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| 682 | LA | 25Gr | piros | Stanislaw Staszic (1755-1826) | (521000) | 4,30 | - | 3,22 | - | USD |
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| 683 | LB | 40Gr | kék | Maria Sklodowska-Curie (1867-1934) | (2,131 mill) | 0,54 | - | 0,27 | - | USD |
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| 684 | LC | 45Gr | ibolya | Zygmunt Wróblewski (1845-1888) and Karol Olszewski (1846-1915) | (2,03 mill) | 10,74 | - | 1,61 | - | USD |
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| 685 | LD | 60Gr | zöld | Marceli Nencki (1847-1901) | (2,131 mill) | 0,54 | - | 0,27 | - | USD |
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| 686 | LE | 1.15Zł | bíbor | Mikolaj Kopernik (1473-1543) | (2,131 mill) | 0,54 | - | 0,54 | - | USD |
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| 687 | LF | 1.20Zł | szürke | (1,05 mill) | 1,61 | - | 0,27 | - | USD |
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