Mongoliet
Viser nu Mongoliet - Post frimærker (1924 - 2024) - 1 frimærker.
1973
The 15th Anniversary of Review "Problems of Peace and Socialism"
10. december VM: Ingen Perforeringer: 12½
![[The 15th Anniversary of Review "Problems of Peace and Socialism", type YCO]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Mongolia/Postage-stamps/YCO-s.jpg)
