Beijing Planetarium, China
Technical details
Scott No: 358-359
Serial number: S23
Values in set: 2
Date of issue: June 25, 1958
Denomination: 28 fen
Designer: Wu Jiankun
Engraver: Gao Zhengyu, Gao Pinzhang
Size of stamps: 29.5*23.5mm
Perforation: 14
Sheet composition: 110(10*11)
Printing process: Engraving
Printing House: China Mordern Timtes Printing Works
