Polen
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1951
The First Congress for Polish Science in Warsaw
25. Juni Wz: Keine Bogengröße: 100 Design: B. Brandt Gravieren: E. Konecki Zähnung: 12½:12¾
![[The First Congress for Polish Science in Warsaw, Typ LA]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/LA-s.jpg)
![[The First Congress for Polish Science in Warsaw, Typ LB]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/LB-s.jpg)
![[The First Congress for Polish Science in Warsaw, Typ LC]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/LC-s.jpg)
![[The First Congress for Polish Science in Warsaw, Typ LD]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/LD-s.jpg)
![[The First Congress for Polish Science in Warsaw, Typ LE]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/LE-s.jpg)
![[The First Congress for Polish Science in Warsaw, Typ LF]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/LF-s.jpg)
| Nummer | Typ | D | Farbe | Beschreibung |
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| 682 | LA | 25Gr | Rot | Stanislaw Staszic (1755-1826) | (521000) | 4,32 | - | 3,24 | - | USD |
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| 683 | LB | 40Gr | Blau | Maria Sklodowska-Curie (1867-1934) | (2,131 mill) | 0,54 | - | 0,27 | - | USD |
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| 684 | LC | 45Gr | Violett | Zygmunt Wróblewski (1845-1888) and Karol Olszewski (1846-1915) | (2,03 mill) | 10,80 | - | 1,62 | - | USD |
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| 685 | LD | 60Gr | grün | Marceli Nencki (1847-1901) | (2,131 mill) | 0,54 | - | 0,27 | - | USD |
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| 686 | LE | 1.15Zł | Lila | Mikolaj Kopernik (1473-1543) | (2,131 mill) | 0,54 | - | 0,54 | - | USD |
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| 687 | LF | 1.20Zł | Grau | (1,05 mill) | 1,62 | - | 0,27 | - | USD |
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