Is Xie Hanbo's calligraphy collectible?

Xie Hanbo's calligraphy is very collectible. Teacher Xie Hanbo is good at Chinese painting, calligraphy, poetry, traditional culture education, lectures on Chinese studies, and grateful inspirational education. He has achieved excellent results in many domestic and foreign calligraphy and painting competitions and won good praise from the calligraphy and Chinese painting circles. He is currently a director of China Calligraphers Association, a member of Shanxi Calligraphers Association, vice president of Beijing Shenyixuan Painting and Calligraphy Institute, national special calligrapher, honorary vice president of Huangzhou Art Research Institute, founder of hanging elbow calligraphy, and one of the top ten calligraphers with the greatest market appreciation potential. So Xie Hanbo's calligraphy is valuable for collection.