National Exhibition of Juniors' Scientific and Technological Works 1979
Now showing: China, Peoples Rep. - Postage stamps - 1979 - National Exhibition of Juniors' Scientific and Technological Works - 1 stamps.
1979
National Exhibition of Juniors' Scientific and Technological Works
3. October WM: None Perforation: 11½
![[National Exhibition of Juniors' Scientific and Technological Works, type BGX]](https://www.stampworld.com/media/catalogue/China,-Peoples-Rep./Postage-stamps/BGX-s.jpg)
