Zobrazujú sa: Poľsko - Doplatné známky (1919 - 1998) - 4 známky.
1920
Numeral Stamps - Thin Laid Paper
máj WM: nikto Veľkosť hárka: 100 Dizajn: prof. Skoczylas Perforácia: 9-11½
![[Numeral Stamps - Thin Laid Paper, typ C18]](https://www.stampworld.com/media/catalogue/Poland/Postage-due-stamps/C18-s.jpg)
![[Numeral Stamps - Thin Laid Paper, typ C19]](https://www.stampworld.com/media/catalogue/Poland/Postage-due-stamps/C19-s.jpg)
![[Numeral Stamps - Thin Laid Paper, typ C20]](https://www.stampworld.com/media/catalogue/Poland/Postage-due-stamps/C20-s.jpg)
![[Numeral Stamps - Thin Laid Paper, typ C21]](https://www.stampworld.com/media/catalogue/Poland/Postage-due-stamps/C21-s.jpg)
