Põhja - Vietnam
Praegu kuvatakse: Põhja - Vietnam - postmargid (1946 - 1976) - 1 margid.
1971
Satellite Launch in the People's Republic of China
10. aprill WM: mitte ükski perforatsioon: 11
![[Satellite Launch in the People's Republic of China, Tüüp TN]](https://swmedia-4cd6.kxcdn.com/media/catalogue/North-Vietnam/Postage-stamps/TN-s.jpg)
![[Satellite Launch in the People's Republic of China, Tüüp TN1]](https://swmedia-4cd6.kxcdn.com/media/catalogue/North-Vietnam/Postage-stamps/TN1-s.jpg)
