Second National Conference of the Chinese Science and Technology Association, China
Scott No: 1592
Serial number: J52
Values in set: 1
Date of issue: March 15, 1980
Denomination: 8 fen
Designer: Li Dawei
Size of stamps: 52*31mm
Perforation: 11.5
Sheet composition: 40(4*10)
Printing process: Photogravure
Printing House: Beijing Postage Stamp Printing Works
Second National Conference of the Chinese Science and Technology Association, China
