Poland
Now showing: Poland - Postage stamps (1860 - 2024) - 1 stamps.
1951
The First Congress for Polish Science in Warsaw
25. June WM: None Sheetsize: 100 Design: B. Brandt Engraving: E. Konecki Perforation: 12½:12¾
![[The First Congress for Polish Science in Warsaw, type LA]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/LA-s.jpg)
![[The First Congress for Polish Science in Warsaw, type LB]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/LB-s.jpg)
![[The First Congress for Polish Science in Warsaw, type LC]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/LC-s.jpg)
![[The First Congress for Polish Science in Warsaw, type LD]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/LD-s.jpg)
![[The First Congress for Polish Science in Warsaw, type LE]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/LE-s.jpg)
![[The First Congress for Polish Science in Warsaw, type LF]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/LF-s.jpg)
| No. | Type | D | Color | Description |
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| 682 | LA | 25Gr | red | Stanislaw Staszic (1755-1826) | (521000) | 4.34 | - | 3.26 | - | USD |
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| 683 | LB | 40Gr | blue | Maria Sklodowska-Curie (1867-1934) | (2,131 mill) | 0.54 | - | 0.27 | - | USD |
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| 684 | LC | 45Gr | violet | Zygmunt Wróblewski (1845-1888) and Karol Olszewski (1846-1915) | (2,03 mill) | 10.86 | - | 1.63 | - | USD |
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| 685 | LD | 60Gr | green | Marceli Nencki (1847-1901) | (2,131 mill) | 0.54 | - | 0.27 | - | USD |
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| 686 | LE | 1.15Zł | purple | Mikolaj Kopernik (1473-1543) | (2,131 mill) | 0.54 | - | 0.54 | - | USD |
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| 687 | LF | 1.20Zł | grey | (1,05 mill) | 1.63 | - | 0.27 | - | USD |
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