At present, the auction market price of Shen Peng and Wei Tianchi's calligraphy works is about twice that of the latter, that is, the unit price of Shen Peng's calligraphy works is 5000- 10000 yuan/square foot (depending on the exquisite degree of the works), while that of Wei Tianchi's calligraphy works is 2000-5000 yuan/square foot (same as above).