S11/TE11/特11, Technical Innovation《技术革新》
S11/TE11/特11, Technical Innovation《技术革新》 Stamp Title: Technical Innovation Serial number: S11 Values in set: 2 (2-1), Antispin parachute, 800 yuan, 36.5*22 mm (2-2), New tool, 400 yuan, 36.5*22 mm Date of issue: December 15, 1954 Denomination: 12 fen Designer: Sun Chuanzhe Engraver: Wu Pengyue, Li manceng Size of stamps: 36.5*22mm Perforation: 14 Sheet composition: [...]