The 25th Anniversary of Posts and Telecommunications Research Institute 1991
Now showing: Vietnam - Postage stamps - 1991 - The 25th Anniversary of Posts and Telecommunications Research Institute - 1 stamps.
1991
The 25th Anniversary of Posts and Telecommunications Research Institute
17. September WM: None Sheetsize: 25 Engraving: Vu Kim Lien Perforation: 13
![[The 25th Anniversary of Posts and Telecommunications Research Institute, type BCD]](https://www.stampworld.com/media/catalogue/Vietnam/Postage-stamps/BCD-s.jpg)
