The 20th Anniversary of the Organised Post Offices of the Socialist Countries for Co-operation in Post and Telecommunication 1978
Now showing: Poland - Postage stamps - 1978 - The 20th Anniversary of the Organised Post Offices of the Socialist Countries for Co-operation in Post and Telecommunication - 1 stamps.
1978
The 20th Anniversary of the Organised Post Offices of the Socialist Countries for Co-operation in Post and Telecommunication
20. September WM: None Sheetsize: 20 Design: Z. Stasik Perforation: 11
![[The 20th Anniversary of the Organised Post Offices of the Socialist Countries for Co-operation in Post and Telecommunication, type CDK]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/CDK-s.jpg)
