Mongoliet
Visar nu: Mongoliet - Postfrimärken (1924 - 2024) - 1 frimärken.
1965
Organization of Socialist Countries' Postal Administrations Conference, Beijing
15. december WM: Inga Perforering: 11½ x 12
![[Organization of Socialist Countries' Postal Administrations Conference, Beijing, Typ NB]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Mongolia/Postage-stamps/NB-s.jpg)
