Muri Bhalissa: Polonja - Bolol tal-pustaġġ-dovut (1920 - 1929) - 4 bolol.
1920
Numeral Stamps - Thin Laid Paper
May WM: Xejn Qies ta'karta: 100 Disinn: prof. Skoczylas Perforazzjoni: 9-11½
![[Numeral Stamps - Thin Laid Paper, Tip C18]](https://www.stampworld.com/media/catalogue/Poland/Postage-due-stamps/C18-s.jpg)
![[Numeral Stamps - Thin Laid Paper, Tip C19]](https://www.stampworld.com/media/catalogue/Poland/Postage-due-stamps/C19-s.jpg)
![[Numeral Stamps - Thin Laid Paper, Tip C20]](https://www.stampworld.com/media/catalogue/Poland/Postage-due-stamps/C20-s.jpg)
![[Numeral Stamps - Thin Laid Paper, Tip C21]](https://www.stampworld.com/media/catalogue/Poland/Postage-due-stamps/C21-s.jpg)
