Zhang_Heng.jpg
Source: Wikimedia Commons
  • Colnect-781-774-Chang-Heng-AD-78-139-astronomer.jpg
Issued by: China, PRC
Function: postage
Date: 8/25/1955
Denom: 8f
Color: olive brown
Design type: scientists (1955)
Design: Chang Heng
Watermark: unwmk
Perf: 14
Catalog value:

In collections: used (Stan Shebs)

External links:
Colnect 210799..oples_Republic