Now showing: Poland - Postage stamps (1950 - 1959) - 13537 stamps.
WM: None Perforation: 12 x 12½
![[No. 518-526 Overprinted GROSZY in Different Colors and Fonts, type INT]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/INT-s.jpg)
WM: None Perforation: 12 x 12½
![[No. 518-526 Overprinted GROSZY in Different Colors and Fonts, type INT1]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/INT1-s.jpg)
WM: None Perforation: 12 x 12½
![[No. 518-526 Overprinted GROSZY in Different Colors and Fonts, type INT6]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/INT6-s.jpg)
WM: None Perforation: 12 x 12½
![[No. 518-526 Overprinted GROSZY in Different Colors and Fonts, type INT1]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/INT1-s.jpg)
WM: None Perforation: 12 x 12½
![[No. 518-526 Overprinted GROSZY in Different Colors and Fonts, type INT5]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/INT5-s.jpg)
WM: None Perforation: 10¾-12¾
![[No. 528 Overprinted GROSZY in Different Colors and Fonts, type INV]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/INV-s.jpg)
WM: None Perforation: 10¾-12¾
![[No. 528 Overprinted GROSZY in Different Colors and Fonts, type INV]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/INV-s.jpg)
WM: None Perforation: 10¾-12¾
![[No. 528 Overprinted GROSZY in Different Colors and Fonts, type INV]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/INV-s.jpg)
WM: None Perforation: 10¾-12¾
![[No. 528 Overprinted GROSZY in Different Colors and Fonts, type INV]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/INV-s.jpg)
WM: None Perforation: 10¾-12¾
![[No. 528 Overprinted GROSZY in Different Colors and Fonts, type INV]](https://www.stampworld.com/media/market/91286/9951280-s.jpg)
WM: None Perforation: 10¾-12¾
![[No. 528 Overprinted GROSZY in Different Colors and Fonts, type INV]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/INV-s.jpg)
WM: None Perforation: 10¾-12¾
![[No. 528 Overprinted GROSZY in Different Colors and Fonts, type INV]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/INV-s.jpg)
WM: None Perforation: 10¾-12¾
![[No. 528 Overprinted GROSZY in Different Colors and Fonts, type INV]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/INV-s.jpg)
WM: None Perforation: 10¾-12¾
![[No. 528 Overprinted GROSZY in Different Colors and Fonts, type INV]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/INV-s.jpg)
WM: None Perforation: 10¾-12¾
![[No. 528 Overprinted GROSZY in Different Colors and Fonts, type INV]](https://www.stampworld.com/media/market/91286/11182631-s.jpg)
WM: None Perforation: 10¾; 11¼
![[No. 531 Overprinted GROSZY in Different Colors and Fonts, type INW]](https://www.stampworld.com/media/market/135391/2420394-s.jpg)
WM: None Perforation: 10¾; 11¼
![[No. 531 Overprinted GROSZY in Different Colors and Fonts, type INW]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/INW-s.jpg)
WM: None Perforation: 11¼ x 12
![[No. 529-530 Overprinted GROSZY in Different Colors and Fonts, type INX]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/INX-s.jpg)
![[No. 529-530 Overprinted GROSZY in Different Colors and Fonts, type INY]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/INY-s.jpg)
WM: None Perforation: 11¼ x 12
![[No. 529-530 Overprinted GROSZY in Different Colors and Fonts, type INY]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/INY-s.jpg)
WM: None Perforation: 10¾; 11½
![[No. 532-533 Overprinted GROSZY in Different Colors and Fonts, type INZ]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/INZ-s.jpg)
![[No. 532-533 Overprinted GROSZY in Different Colors and Fonts, type IOA]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/IOA-s.jpg)
WM: None Perforation: 10¾; 11½
![[No. 532-533 Overprinted GROSZY in Different Colors and Fonts, type INZ]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/INZ-s.jpg)
WM: None Perforation: 10¾; 11½
![[No. 532-533 Overprinted GROSZY in Different Colors and Fonts, type IOA]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/IOA-s.jpg)
WM: None Perforation: 12½ x 12¾
![[No. 534 Overprinted GROSZY in Different Colors and Fonts, type IOB]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/IOB-s.jpg)
WM: None Perforation: 12½ x 12¾
![[No. 534 Overprinted GROSZY in Different Colors and Fonts, type IOB]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/IOB-s.jpg)
WM: None Perforation: 12½ x 12¾
![[No. 534 Overprinted GROSZY in Different Colors and Fonts, type IOB]](https://www.stampworld.com/media/market/100840/2070526-s.jpg)
WM: None Perforation: 12½ x 12¾
![[No. 534 Overprinted GROSZY in Different Colors and Fonts, type IOB]](https://www.stampworld.com/media/market/135391/2420398-s.jpg)
WM: None Perforation: 12½ x 12¾
![[No. 534 Overprinted GROSZY in Different Colors and Fonts, type IOB]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/IOB-s.jpg)
WM: None Perforation: 12½ x 12¾
![[No. 534 Overprinted GROSZY in Different Colors and Fonts, type IOB]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/IOB-s.jpg)
WM: None Perforation: 12½ x 12¾
![[No. 534 Overprinted GROSZY in Different Colors and Fonts, type IOB]](https://www.stampworld.com/media/market/294725/6979775-s.jpg)
WM: None Perforation: 12½ x 12¾
![[No. 534 Overprinted GROSZY in Different Colors and Fonts, type IOB]](https://www.stampworld.com/media/market/294725/6979778-s.jpg)
WM: None Perforation: 12½ x 12¾
![[No. 534 Overprinted GROSZY in Different Colors and Fonts, type IOB]](https://www.stampworld.com/media/market/294725/6979780-s.jpg)
WM: None Perforation: 12½ x 12¾
![[No. 534 Overprinted GROSZY in Different Colors and Fonts, type IOB]](https://www.stampworld.com/media/market/91286/8609704-s.jpg)
WM: None Perforation: 12½ x 12¾
![[No. 534 Overprinted GROSZY in Different Colors and Fonts, type IOB]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/IOB-s.jpg)
WM: None Perforation: 12½ x 12¾
![[No. 534 Overprinted GROSZY in Different Colors and Fonts, type IOB]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/IOB-s.jpg)
WM: None Perforation: 12½ x 12¾
![[No. 534 Overprinted GROSZY in Different Colors and Fonts, type IOB]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/IOB-s.jpg)
WM: None Perforation: 12½ x 12¾
![[No. 534 Overprinted GROSZY in Different Colors and Fonts, type IOB]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/IOB-s.jpg)
WM: None Perforation: 12½ x 12¾
![[No. 534 Overprinted GROSZY in Different Colors and Fonts, type IOB]](https://www.stampworld.com/media/market/28646/9484752-s.jpg)
WM: None Perforation: 12½ x 12¾
![[No. 534 Overprinted GROSZY in Different Colors and Fonts, type IOB]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/IOB-s.jpg)
WM: None Perforation: 12½ x 12¾
![[No. 534 Overprinted GROSZY in Different Colors and Fonts, type IOB]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/IOB-s.jpg)
WM: None Perforation: 12½ x 12¾
![[No. 534 Overprinted GROSZY in Different Colors and Fonts, type IOB]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/IOB-s.jpg)
WM: None Perforation: 10¾; 11¼
![[No. 535 Overprinted GROSZY in Different Colors and Fonts, type IOC]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/IOC-s.jpg)
WM: None Perforation: 12½ x 12¾
![[No. 536 Overprinted GROSZY in Different Colors and Fonts, type IOD]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/IOD-s.jpg)
WM: None Perforation: 12½ x 12¾
![[No. 536 Overprinted GROSZY in Different Colors and Fonts, type IOD]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/IOD-s.jpg)
WM: None Perforation: 12½ x 12¾
![[No. 536 Overprinted GROSZY in Different Colors and Fonts, type IOD]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/IOD-s.jpg)
13. November WM: None Sheetsize: 100 Design: P. Picasso Engraving: B. Brandt Perforation: 12¾:12½
![[The Second World Peace Congress in Warsaw, type KA1]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/KA1-s.jpg)
13. November WM: None Sheetsize: 100 Design: P. Picasso Engraving: B. Brandt Perforation: 12¾:12½
![[The Second World Peace Congress in Warsaw, type KA]](https://www.stampworld.com/media/market/53645/2829490-s.jpg)
13. November WM: None Sheetsize: 100 Design: P. Picasso Engraving: B. Brandt Perforation: 12¾:12½
![[The Second World Peace Congress in Warsaw, type KA]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/KA-s.jpg)