Виетнам
Сега показвам: Виетнам - Пощенски разноски марки (1976 - 2024) - 1 марки.
1979
International Stamp Exhibition "Philaserdica '79" - Sofia, Bulgaria
27. Май воден знак: Никой Пробиване: 11¾
![[International Stamp Exhibition "Philaserdica '79" - Sofia, Bulgaria, тип ER]](https://www.stampworld.com/media/catalogue/Vietnam/Postage-stamps/ER-s.jpg)
![[International Stamp Exhibition "Philaserdica '79" - Sofia, Bulgaria, тип ER1]](https://www.stampworld.com/media/catalogue/Vietnam/Postage-stamps/ER1-s.jpg)
