Mongolia
Ora in esposizione: Mongolia - Francobolli postali (1924 - 2024) - 1 francobolli.
1965
Organization of Socialist Countries' Postal Administrations Conference, Beijing
15. Dicembre WM: Nessuno Dentellatura: 11½ x 12
![[Organization of Socialist Countries' Postal Administrations Conference, Beijing, Scrivi NB]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Mongolia/Postage-stamps/NB-s.jpg)
