The price of Shen Jieshun's calligraphy works

Friend: Hello! ? Regarding the price of Shen Jieshun's calligraphy works, Shen Jieshun, male, was born in June 1949. During his 30-year military career, poems, books, paintings and seals have all been hunted, and calligraphy is the best. His works have not been retouched, and the market valuation is 3,000-5,000 RMB per square foot.