Stamp Title: 100th Anniversary of Nankai University Serial number: 2019-27 Values in set: 1 Date of issue: October 17, 2019…
Stamp Title： Great Thinkers of Ancient China（2） Serial number:2019-26 Values in set: 6 (6-1), Wang Shouren, 80 fen, 30 *…
Stamp Title: The 70th Anniversary of the Establishment of the China-Slovakia Diplomatic Relations Serial number: 2019-25 Values in set: 2…
Stamp Title： The 70th Anniversary of the Establishment of the China-Russia Diplomatic Relations Serial number: 2019-24 Values in set: 2…
Stamp Title: 70th Anniversary of the Founding of the People’s Republic of China Serial number: 2019-23 Values in set: 5…