North Korea
Now showing: North Korea - Postage stamps (1946 - 2024) - 1 stamps.
1988
The 6th Session of Socialist Countries' Post and Telecommunications Conference, Pyongyang
23. September WM: None Perforation: 11½
![[The 6th Session of Socialist Countries' Post and Telecommunications Conference, Pyongyang, type DDU]](https://swmedia-4cd6.kxcdn.com/media/catalogue/North-Korea/Postage-stamps/DDU-s.jpg)