What is the price of calligraphy in Zhang Likui?

Zhang Likui, male, born in 1957, Qingdao, Shandong. Member of China Calligraphers Association, President of China Calligraphy and Painting Research Institute, and President of Calligraphy School of Qingdao Second Workers' Cultural Palace. His works have been selected for many important calligraphy exhibitions at home and abroad, such as the national cursive exhibition and the national fan exhibition.

The price of his works is about 3000-8000 per square foot, depending on his works.