Mongolia
Prezentat acum: Mongolia - Timbre poştale (1924 - 2024) - 1 timbre.
1965
Organization of Socialist Countries' Postal Administrations Conference, Beijing
15. Decembrie WM: Niciunul Perforare: 11½ x 12
![[Organization of Socialist Countries' Postal Administrations Conference, Beijing, Tip NB]](https://www.stampworld.com/media/catalogue/Mongolia/Postage-stamps/NB-s.jpg)
