Vietnam
Praegu kuvatakse: Vietnam - postmargid (1976 - 2024) - 1 margid.
1978
The 20th Congress of Socialist Countries' Postal Ministers
25. september WM: mitte ükski perforatsioon: 11
![[The 20th Congress of Socialist Countries' Postal Ministers, Tüüp DI]](https://www.stampworld.com/media/catalogue/Vietnam/Postage-stamps/DI-s.jpg)
