Is Zhang Jian's calligraphy worth collecting?

Zhang Jian's calligraphy is worth collecting. Zhang Jian is a famous contemporary calligrapher. His works have unique artistic style and innovative forms of expression. His works combine traditional and modern elements, showing the spirit of the times and personal feelings. The value of Zhang Jian's calligraphy works is increasing year by year, which has high investment and collection potential, and Zhang Jian's calligraphy is worth collecting.