Is Zhang Shouyue's calligraphy collectible?

Zhang Shouyue's calligraphy is very collectible. Zhang Shouyue was born in Suqian, Jiangsu Province in 1963, and began to teach himself calligraphy in 1985. He is currently a member of China Calligraphers Association, chairman of Suqian Calligraphers Association, director of Suqian Painting and Calligraphy Room, director of Suqian Painting and Calligraphy Art Research Center, national second-class artist, young and middle-aged literary and art workers of "Virtue and Art" in Jiangsu Province and "Virtue and Art" in Suqian City.