Северен Виетнам
Сега се прикажува: Северен Виетнам - Службени печати (1953 - 1968) - 1 марки.
1957
World Trade Union Congress - Leipzig, Germany
12. август ВМ, Управување со отпад: Ништо Перфорација: 12½
![[World Trade Union Congress - Leipzig, Germany, Вид F]](https://www.stampworld.com/media/catalogue/North-Vietnam/Official-stamps/F-s.jpg)
![[World Trade Union Congress - Leipzig, Germany, Вид F1]](https://www.stampworld.com/media/catalogue/North-Vietnam/Official-stamps/F1-s.jpg)
![[World Trade Union Congress - Leipzig, Germany, Вид F2]](https://www.stampworld.com/media/catalogue/North-Vietnam/Official-stamps/F2-s.jpg)
![[World Trade Union Congress - Leipzig, Germany, Вид F3]](https://www.stampworld.com/media/catalogue/North-Vietnam/Official-stamps/F3-s.jpg)
