Is Meng Hongsheng's calligraphy valuable?

Meng Hongsheng, director of China Calligraphers Association, vice chairman of China Calligraphers Association, member of China Calligraphers Association, member of the International Exchange Committee of the 4th China Calligraphers Association, member of the Presidium of Shandong Calligraphers Association, director of the Youth Working Committee of Shandong Calligraphers Association, and vice chairman of Zibo Calligraphers Association. His calligraphy works are about 500 yuan per square foot.