Ding Jianhai's calligraphy works are valuable and collectible. His works take spirit as the theme, showing the charm and connotation of China's calligraphy. In the market, the price of Ding Jianhai's calligraphy works needs to be determined according to the specific conditions of the works, including size, paper, ink color, seal and other factors.
Some collectors and investors are interested in Ding Jianhai's calligraphy works, and their market value will gradually increase.