T139, The Achievements in Socialist Construction (3nd Series)《社会主义建设成就(第二组)》
T139, The Achievements in Socialist Construction (3nd Series)《社会主义建设成就(第二组)》 Stamp Title: The Achievements in Socialist Construction (3nd Series) Serial number: T139 Values in set: 4 (4-1), Beijing Internation Telecom, 8 fen, 27*40 mm (4-2), Shanxi Gujiao Xiqu Colliery, 10 fen, 40*27 mm (4-3), Qinghai Longyangxia Power Dam, 20 fen, 40*27 mm (4-4), Dayang Mountain [...]