20 15, the market price of calligraphy works is: 10000 yuan/square foot to 15000 yuan/square foot. The market price of Chinese painting works is: 20,000 yuan/square foot to 25,000 yuan/square foot. Evaluation results of the Art Evaluation Committee of the Cultural Market Development Center of the Ministry of Culture.
Moreover, there is a lot of room for appreciation in the future and it is worth collecting.