Colnect-3652-993-Technology-Exposition-for-the-Youth.jpg
Source: Colnect
Issued by: China, PRC
Function: postage
Date: 10/3/1979
Issue: National Exhibition of Juniors' Scientific and Technological Works
Denom: 8f
Color: multicolored
Design:
Watermark: unwmk
Perf: 11.5
Catalog value:

In collections: mint (Stan Shebs)

External links:
Colnect 654922..oples_Republic