Mongolie
Montre maintenant: Mongolie - Timbres-Poste (1924 - 2024) - 1 Timbres-poste.
1978
Airmail - International Stamp Exhibition "PRAGA '78" - Prague, Czech Republic
5. septembre WM: Aucun Taille de la feuille: 1 Perforation: 12
![[Airmail - International Stamp Exhibition "PRAGA '78" - Prague, Czech Republic, type ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Mongolia/Postage-stamps/1171-b.jpg)
