Now showing: Poland - Postage stamps (1930 - 1939) - 9 stamps.
5. May WM: None Sheetsize: 150 Design: Z. Kamiński Perforation: 12:12½
![[Stamp Exhibition, Katowice - Stamps of 1932 Overprinted "Wyst.Filat. 1934 Katowice“., type CS]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/CS-s.jpg)
![[Stamp Exhibition, Katowice - Stamps of 1932 Overprinted "Wyst.Filat. 1934 Katowice“., type CT]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/CT-s.jpg)
6. August WM: None Sheetsize: 70 Design: R. Kleczewski Engraving: M. R. Polak Perforation: 11-12½
![[The 20th Anniversary of the Founding of the Polish Legion, type CU]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/CU-s.jpg)
![[The 20th Anniversary of the Founding of the Polish Legion, type CU1]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/CU1-s.jpg)
28. August WM: None Design: L. Sowiński, R. Kleczewski Engraving: Wł. Vacek
![[Airmail - The Europe Flight Challenge Internationale de Tourism, 1934, type CV]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/CV-s.jpg)
![[Airmail - The Europe Flight Challenge Internationale de Tourism, 1934, type CW]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/CW-s.jpg)
1. October WM: None Design: R. Kleczewski, Z. Kamiński Engraving: Wł. Vacek
![[Overprints due to Redefined Postal Rates, type CX]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/CX-s.jpg)
![[Overprints due to Redefined Postal Rates, type CY]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/CY-s.jpg)
![[Overprints due to Redefined Postal Rates, type CZ]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/CZ-s.jpg)