The 100th Anniversary of the Esperanto Language 1987
Now showing: Poland - Postage stamps - 1987 - The 100th Anniversary of the Esperanto Language - 1 stamps.
1987
The 100th Anniversary of the Esperanto Language
25. July WM: None Sheetsize: 30 Design: Andrzej Szczepaniak Engraving: PWPW. Perforation: 11:11½
![[The 100th Anniversary of the Esperanto Language, type CWQ]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/CWQ-s.jpg)
