Stamp Title: Hua Tuo Serial number: 2020-18 Values in set: 2 (2-1), Inventing Mafeisan (cannabis boil powder, a general anesthetic),…
Stamp Title: Astronomical Phenomena Serial number: 2020-15 Values in set: 5 (5-1), Annular Eclipse, 120 fen, 33 * 40 mm…
Stamp Title: The 8th Congress of All-China Philatelic Federation Serial number: 2020-7 Values in set: 1 Date of issue: June…
Stamp Title: 100th Anniversary of Harbin Institute of Technology Serial number: 2020-13 Values in set: 1 (1-1), 100th Anniversary of…
Stamp Title: Chinese Animation - Calabash Brothers (Pinyin: Hulu Xiongdi) Serial number: 2020-12 Values in set: 6 (6-1), Seven Calabashes…