A stamp collector in Zaozhuang, Shandong Province holds a set of special edition stamps named "Pay a New Year call" on Thursday, January 10, 2019. China Post issued the set of stamps, including one by the artist Wu Guanying, on Thursday for the upcoming Chinese Lunar New Year. [Photo: VCG]

A special edition China Post stamp seen at the China Post branch in Handan, Hebei Province on Thursday, January 10, 2019. These special edition Chinese Lunar New Year stamps will be on sale at designed postal outlets and online for the next six months. [Photo: VCG]

A set of special edition China Post stamps seen at the China Post branch in Handan, Hebei Province on Thursday, January 10, 2019. These special edition Chinese Lunar New Year stamps will be on sale at designed postal outlets and online for the next six months. [Photo: VCG]