Muri Bhalissa: Polonja - Bolol tal-posta (1950 - 1959) - 41 bolol.
8. January WM: Xejn Qies ta'karta: 100 Disinn: W.Zakrzewski Inċiżjoni: M.R. Polak Perforazzjoni: 11¾:11½; 12½:12¾
![[Six Years Plan, Tip KM]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/KM-s.jpg)
![[Six Years Plan, Tip KM1]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/KM1-s.jpg)
![[Six Years Plan, Tip KM2]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/KM2-s.jpg)
![[Six Years Plan, Tip KM3]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/KM3-s.jpg)
2. March WM: Xejn Qies ta'karta: 100 Disinn: B. Brandt Inċiżjoni: St. Łukaszewski Perforazzjoni: 12½:12¾
![[Women's League Congress, Tip KQ]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/KQ-s.jpg)
24. March WM: Xejn Qies ta'karta: 70 Disinn: B. Brandt Inċiżjoni: M.R. Polak, Cz. Słania Perforazzjoni: 12:12½
![[The 80th Anniversary of the Paris Commune, Tip KR]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/KR-s.jpg)
1. April WM: Xejn Qies ta'karta: 100 Disinn: St. Łukaszewski Perforazzjoni: 12½:12¾
![[International Day of the Child, 1 June 1951, Tip KU]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/KU-s.jpg)
![[International Day of the Child, 1 June 1951, Tip KV]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/KV-s.jpg)
20. April WM: Xejn Qies ta'karta: 100 Disinn: P. Picasso Inċiżjoni: B. Brandt Perforazzjoni: 12¾:12½
![[Dove of Peace, Overprint, Tip KS]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/KS-s.jpg)
25. April WM: Xejn Qies ta'karta: 100 Disinn: St. Łukaszewski Perforazzjoni: 10¾-14
![[Labour Day, Tip KT]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/KT-s.jpg)
9. May WM: Xejn Qies ta'karta: 100 Disinn: B. Brandt Inċiżjoni: E. Konecki Perforazzjoni: 11½:11¾; 12¾:12½
![[Nowa Huta Steelworks, Tip KW]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/KW-s.jpg)
![[Nowa Huta Steelworks, Tip KW1]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/KW1-s.jpg)
![[Nowa Huta Steelworks, Tip KW2]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/KW2-s.jpg)
![[Nowa Huta Steelworks, Tip KW3]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/KW3-s.jpg)
25. June WM: Xejn Qies ta'karta: 100 Disinn: B. Brandt Inċiżjoni: E. Konecki Perforazzjoni: 12½:12¾
![[The First Congress for Polish Science in Warsaw, Tip LA]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/LA-s.jpg)
![[The First Congress for Polish Science in Warsaw, Tip LB]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/LB-s.jpg)
![[The First Congress for Polish Science in Warsaw, Tip LC]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/LC-s.jpg)
![[The First Congress for Polish Science in Warsaw, Tip LD]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/LD-s.jpg)
![[The First Congress for Polish Science in Warsaw, Tip LE]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/LE-s.jpg)
![[The First Congress for Polish Science in Warsaw, Tip LF]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/LF-s.jpg)
| Le. | Tip | D | Kulur | Deskrizzjoni |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 682 | LA | 25Gr | aħmar | Stanislaw Staszic (1755-1826) | (521000) | 4.10 | - | 3.08 | - | USD |
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| 683 | LB | 40Gr | blu | Maria Sklodowska-Curie (1867-1934) | (2,131 mill) | 0.51 | - | 0.26 | - | USD |
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| 684 | LC | 45Gr | vjola | Zygmunt Wróblewski (1845-1888) and Karol Olszewski (1846-1915) | (2,03 mill) | 10.26 | - | 1.54 | - | USD |
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| 685 | LD | 60Gr | aħdar | Marceli Nencki (1847-1901) | (2,131 mill) | 0.51 | - | 0.26 | - | USD |
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| 686 | LE | 1.15Zł | vjola | Mikolaj Kopernik (1473-1543) | (2,131 mill) | 0.51 | - | 0.51 | - | USD |
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| 687 | LF | 1.20Zł | griż | (1,05 mill) | 1.54 | - | 0.26 | - | USD |
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| 682‑687 | 17.43 | - | 5.91 | - | USD |
5. July WM: Xejn Qies ta'karta: 140 Disinn: B. Brandt Inċiżjoni: St. Łukaszewski Perforazzjoni: 12:12½
![[The 25th Anniversary of the Death of Feliks Dzierzynski, Tip LG]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/LG-s.jpg)
22. July WM: Xejn Qies ta'karta: 50 Disinn: St. Łukaszewski Inċiżjoni: M.R. Polak, Cz. Słania Perforazzjoni: 12½:12¾
![[The 7th Anniversary of the Polish People's Republic - the July Manifesto, Tip 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, Tip 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, Tip LK]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/LK-s.jpg)
| Le. | Tip | D | Kulur | Deskrizzjoni |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 689 | LI | 45Gr | kannella karminju | Boleslaw Bierut, Industry and Agriculture | (7,939 mill) | 1.03 | - | 0.26 | - | USD |
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| 690 | LJ | 60Gr | griż aħdar | Boleslaw Bierut, Industry and Agriculture | (531000) | 20.51 | - | 8.21 | - | USD |
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| 691 | LK | 90Gr | blu | Boleslaw Bierut, Industry and Agriculture | (551000) | 4.10 | - | 0.77 | - | USD |
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| 689‑691 | 25.64 | - | 9.24 | - | USD |
5. August WM: Xejn Qies ta'karta: 100 Disinn: B. Brandt Perforazzjoni: 10¾-12¾
![[The 3rd World Youth Festival in Berlin, Germany, between 5 and 19 August 1951, Tip LH]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/LH-s.jpg)
1. September WM: Xejn Qies ta'karta: 140 Disinn: St. Łukaszewski Perforazzjoni: 12:12½
![[Boleslaw Bierut Overprint, Tip LM]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/LM-s.jpg)
8. September WM: Xejn Qies ta'karta: 100 Disinn: E. Konecki Perforazzjoni: 10¾-14¼; 12½:12¾
![[The First Polish Spartakiad - The Cogwheel is used as a Symbol for Industry, Tip LL]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/LL-s.jpg)
30. October WM: Xejn Qies ta'karta: 100 Disinn: St. Łukaszewski Perforazzjoni: 12½:12¾
![[The Month of the Polish-Soviet Friendship, Tip LN]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/LN-s.jpg)
![[The Month of the Polish-Soviet Friendship, Tip LO]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/LO-s.jpg)
15. November WM: Xejn Qies ta'karta: 100 Disinn: E. Konecki Perforazzjoni: 12¾:12½
![[The Polish Week of Music, Tip LP]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/LP-s.jpg)
![[The Polish Week of Music, Tip LQ]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/LQ-s.jpg)
17. November WM: Xejn Qies ta'karta: 4 (1x4) Disinn: W.Zakrzewski Inċiżjoni: M.R. Polak Perforazzjoni: 12½:12¾
![[The Congress of the Polish Philatelic Society in Warsaw, Tip ]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/0699-b.jpg)
| Le. | Tip | D | Kulur | Deskrizzjoni |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 699 | KM4 | 45Gr | kannella ħamrani | (104600) | 2.05 | - | 2.05 | - | USD |
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| 700 | KM5 | 75Gr | kannella ħamrani | (104600) | 2.05 | - | 2.05 | - | USD |
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| 701 | KM6 | 1.15Zł | kannella ħamrani | (104600) | 2.05 | - | 2.05 | - | USD |
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| 702 | KM7 | 1.20Zł | kannella ħamrani | (104600) | 2.05 | - | 2.05 | - | USD |
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| 699‑702 | Minisheet (90 x 120mm) | 15.39 | - | 15.39 | - | USD | |||||||||||
| 699‑702 | 8.20 | - | 8.20 | - | USD |
4. December WM: Xejn Qies ta'karta: 100 Disinn: Cz. Słania Inċiżjoni: Cz. Słania Perforazzjoni: 12¾:12½
![[Six Years Plan - Coal Mining, Tip LV]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/LV-s.jpg)
![[Six Years Plan - Coal Mining, Tip LV1]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/LV1-s.jpg)
10. December WM: Xejn Qies ta'karta: 100 Disinn: R. Kleczewski Inċiżjoni: B. Brandt Perforazzjoni: 11¾:11½; 12½:12¾
![[Six Years Plan - House Building, Tip LX]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/LX-s.jpg)
![[Six Years Plan - House Building, Tip LX1]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/LX1-s.jpg)
15. December WM: Xejn Qies ta'karta: 100 Disinn: R. Kleczewski Inċiżjoni: M.R. Polak Perforazzjoni: 12½:12¾
![[SixYears Plan - Electro-industry, Tip LZ]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/LZ-s.jpg)
![[SixYears Plan - Electro-industry, Tip LZ1]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/LZ1-s.jpg)
