Now showing: Poland - Postage stamps (1950 - 1959) - 41 stamps.
8. January WM: None Sheetsize: 100 Design: W.Zakrzewski Engraving: M.R. Polak Perforation: 11¾:11½; 12½:12¾
![[Six Years Plan, type KM]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/KM-s.jpg)
![[Six Years Plan, type KM1]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/KM1-s.jpg)
![[Six Years Plan, type KM2]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/KM2-s.jpg)
![[Six Years Plan, type KM3]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/KM3-s.jpg)
2. March WM: None Sheetsize: 100 Design: B. Brandt Engraving: St. Łukaszewski Perforation: 12½:12¾
![[Women's League Congress, type KQ]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/KQ-s.jpg)
24. March WM: None Sheetsize: 70 Design: B. Brandt Engraving: M.R. Polak, Cz. Słania Perforation: 12:12½
![[The 80th Anniversary of the Paris Commune, type KR]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/KR-s.jpg)
1. April WM: None Sheetsize: 100 Design: St. Łukaszewski Perforation: 12½:12¾
![[International Day of the Child, 1 June 1951, type KU]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/KU-s.jpg)
![[International Day of the Child, 1 June 1951, type KV]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/KV-s.jpg)
20. April WM: None Sheetsize: 100 Design: P. Picasso Engraving: B. Brandt Perforation: 12¾:12½
![[Dove of Peace, Overprint, type KS]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/KS-s.jpg)
25. April WM: None Sheetsize: 100 Design: St. Łukaszewski Perforation: 10¾-14
![[Labour Day, type KT]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/KT-s.jpg)
9. May WM: None Sheetsize: 100 Design: B. Brandt Engraving: E. Konecki Perforation: 11½:11¾; 12¾:12½
![[Nowa Huta Steelworks, type KW]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/KW-s.jpg)
![[Nowa Huta Steelworks, type KW1]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/KW1-s.jpg)
![[Nowa Huta Steelworks, type KW2]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/KW2-s.jpg)
![[Nowa Huta Steelworks, type KW3]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/KW3-s.jpg)
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://www.stampworld.com/media/catalogue/Poland/Postage-stamps/LA-s.jpg)
![[The First Congress for Polish Science in Warsaw, type LB]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/LB-s.jpg)
![[The First Congress for Polish Science in Warsaw, type LC]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/LC-s.jpg)
![[The First Congress for Polish Science in Warsaw, type LD]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/LD-s.jpg)
![[The First Congress for Polish Science in Warsaw, type LE]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/LE-s.jpg)
![[The First Congress for Polish Science in Warsaw, type LF]](https://www.stampworld.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) | 4.22 | - | 3.17 | - | USD |
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| 683 | LB | 40Gr | blue | Maria Sklodowska-Curie (1867-1934) | (2,131 mill) | 0.53 | - | 0.26 | - | USD |
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| 684 | LC | 45Gr | violet | Zygmunt Wróblewski (1845-1888) and Karol Olszewski (1846-1915) | (2,03 mill) | 10.56 | - | 1.58 | - | USD |
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| 685 | LD | 60Gr | green | Marceli Nencki (1847-1901) | (2,131 mill) | 0.53 | - | 0.26 | - | USD |
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| 686 | LE | 1.15Zł | purple | Mikolaj Kopernik (1473-1543) | (2,131 mill) | 0.53 | - | 0.53 | - | USD |
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| 687 | LF | 1.20Zł | grey | (1,05 mill) | 1.58 | - | 0.26 | - | USD |
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| 682‑687 | 17.95 | - | 6.06 | - | USD |
5. July WM: None Sheetsize: 140 Design: B. Brandt Engraving: St. Łukaszewski Perforation: 12:12½
![[The 25th Anniversary of the Death of Feliks Dzierzynski, type LG]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/LG-s.jpg)
22. July WM: None Sheetsize: 50 Design: St. Łukaszewski Engraving: M.R. Polak, Cz. Słania Perforation: 12½:12¾
![[The 7th Anniversary of the Polish People's Republic - the July Manifesto, type LI]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/LI-s.jpg)
![[The 7th Anniversary of the Polish People's Republic - the July Manifesto, type LJ]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/LJ-s.jpg)
![[The 7th Anniversary of the Polish People's Republic - the July Manifesto, type LK]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/LK-s.jpg)
| No. | Type | D | Color | Description |
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| 689 | LI | 45Gr | brown carmine | Boleslaw Bierut, Industry and Agriculture | (7,939 mill) | 1.06 | - | 0.26 | - | USD |
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| 690 | LJ | 60Gr | greyish green | Boleslaw Bierut, Industry and Agriculture | (531000) | 21.11 | - | 8.45 | - | USD |
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| 691 | LK | 90Gr | blue | Boleslaw Bierut, Industry and Agriculture | (551000) | 4.22 | - | 0.79 | - | USD |
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| 689‑691 | 26.39 | - | 9.50 | - | USD |
5. August WM: None Sheetsize: 100 Design: B. Brandt Perforation: 10¾-12¾
![[The 3rd World Youth Festival in Berlin, Germany, between 5 and 19 August 1951, type LH]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/LH-s.jpg)
1. September WM: None Sheetsize: 140 Design: St. Łukaszewski Perforation: 12:12½
![[Boleslaw Bierut Overprint, type LM]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/LM-s.jpg)
8. September WM: None Sheetsize: 100 Design: E. Konecki Perforation: 10¾-14¼; 12½:12¾
![[The First Polish Spartakiad - The Cogwheel is used as a Symbol for Industry, type LL]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/LL-s.jpg)
30. October WM: None Sheetsize: 100 Design: St. Łukaszewski Perforation: 12½:12¾
![[The Month of the Polish-Soviet Friendship, type LN]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/LN-s.jpg)
![[The Month of the Polish-Soviet Friendship, type LO]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/LO-s.jpg)
15. November WM: None Sheetsize: 100 Design: E. Konecki Perforation: 12¾:12½
![[The Polish Week of Music, type LP]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/LP-s.jpg)
![[The Polish Week of Music, type LQ]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/LQ-s.jpg)
17. November WM: None Sheetsize: 4 (1x4) Design: W.Zakrzewski Engraving: M.R. Polak Perforation: 12½:12¾
![[The Congress of the Polish Philatelic Society in Warsaw, type ]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/0699-b.jpg)
| No. | Type | D | Color | Description |
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| 699 | KM4 | 45Gr | reddish brown | (104600) | 2.11 | - | 2.11 | - | USD |
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| 700 | KM5 | 75Gr | reddish brown | (104600) | 2.11 | - | 2.11 | - | USD |
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| 701 | KM6 | 1.15Zł | reddish brown | (104600) | 2.11 | - | 2.11 | - | USD |
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| 702 | KM7 | 1.20Zł | reddish brown | (104600) | 2.11 | - | 2.11 | - | USD |
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| 699‑702 | Minisheet (90 x 120mm) | 15.84 | - | 15.84 | - | USD | |||||||||||
| 699‑702 | 8.44 | - | 8.44 | - | USD |
4. December WM: None Sheetsize: 100 Design: Cz. Słania Engraving: Cz. Słania Perforation: 12¾:12½
![[Six Years Plan - Coal Mining, type LV]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/LV-s.jpg)
![[Six Years Plan - Coal Mining, type LV1]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/LV1-s.jpg)
10. December WM: None Sheetsize: 100 Design: R. Kleczewski Engraving: B. Brandt Perforation: 11¾:11½; 12½:12¾
![[Six Years Plan - House Building, type LX]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/LX-s.jpg)
![[Six Years Plan - House Building, type LX1]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/LX1-s.jpg)
15. December WM: None Sheetsize: 100 Design: R. Kleczewski Engraving: M.R. Polak Perforation: 12½:12¾
![[SixYears Plan - Electro-industry, type LZ]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/LZ-s.jpg)
![[SixYears Plan - Electro-industry, type LZ1]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/LZ1-s.jpg)
