How much does Bai Chongran’s calligraphy and painting work cost per square foot? How to identify it? What is it worth?

Personal introduction

Bai Chongran (1952—) is a Hui nationality and a native of Beijing. Good at Chinese painting. Graduated from Beijing Normal University and the calligraphy art postgraduate training class of Peking University. Works at Peking University.

Fold personal works

The work "Soul" participated in the 40th Anniversary Art Exhibition of the Founding of the People's Republic of China, "Yanshan Dream" was selected into the first national Chinese landscape painting exhibition, and "Autumn Rhythm at the Bottom of Sichuan" was selected into the first national Chinese painting exhibition; "Wonderful Wonders of Yanshan Mountain" was selected for the Centenary Birth Commemorative Exhibition of Chairman Mao, "Sunhu Valley" was selected for the 8th National Art Exhibition, "Balcony Mountain Road" was selected for the Cross-Century National Landscape Painting Exhibition and won a bronze medal, "Xia Hui" and "Deepness of Yanshan Mountain" were selected for In 1997, he won the bronze medal in the 100 Chinese Painting Masters Exhibition. Published "Bai Chongran Painting Collection" and so on. ?