Mongolie
Montre maintenant: Mongolie - Timbres-Poste (1924 - 2024) - 1 Timbres-poste.
1973
The 9th Organization of Socialist States Postal Ministers Congress, Ulan Bator
15. juillet WM: Aucun Perforation: 11½ x 12
![[The 9th Organization of Socialist States Postal Ministers Congress, Ulan Bator, type ABG]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Mongolia/Postage-stamps/ABG-s.jpg)
