Is Han Boyun's calligraphy valuable?

Han Boyun, a valuable calligrapher, is named Zhendong and Xiangmozi. 1955 was born in Beijing and his ancestral home was in Hebei. Member of China Calligraphy Artists Association, member of International Calligraphy and Painting Art Association, consultant of China Calligraphy and Painting Art Research Association, and director of Beijing Calligraphy and Painting Creation Center for the elderly.

1 square 10000!