Are Gao Chi's paintings and calligraphy works collectible? What's the price now

Gao Chi, 1948 Qingdao native, Shandong Weifang native. Now working in Qingdao Laoshan Cultural Center, deputy research librarian. Member of Shandong Calligraphers Association, director of Qingdao Calligraphers Association, deputy secretary-general of Qingdao Zhongshan Painting and Calligraphy Institute, and deputy secretary-general of Qingdao Foreign Cultural Exchange Association.

There is a certain collection value, and the calligraphy works of regional famous artists range from several hundred to several thousand yuan according to their scale and exquisiteness.