How much is Yonlun Yang's calligraphy worth?

Brief introduction: Yonlun Yang, whose real name is Yonglong, whose name is Lushan Ziqiao, is the landlord of Qin Yun, 1964 Hunan native, and graduated from Hunan Normal University. At the age of four, he inherited his father's exegesis book and presented several inscriptions, such as good seal, official, line and grass. His works have been well received by experts and the public. Unknown, the price of the work is around 1000.