Vietnam
Montre maintenant: Vietnam - Timbres-Poste (1976 - 2024) - 1 Timbres-poste.
1990
International Stamp Exhibition "Helvetia 90" - Geneva - Airships
10. septembre WM: Aucun Perforation: 12½
![[International Stamp Exhibition "Helvetia 90" - Geneva - Airships, type ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Vietnam/Postage-stamps/1394-b.jpg)