Vietnam
Montre maintenant: Vietnam - Timbres-Poste (1976 - 2024) - 1 Timbres-poste.
1978
The 20th Congress of Socialist Countries' Postal Ministers
25. septembre WM: Aucun Perforation: 11
![[The 20th Congress of Socialist Countries' Postal Ministers, type DI]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Vietnam/Postage-stamps/DI-s.jpg)
