The price of Xu Yifa's calligraphy works

The calligrapher Xu Yifa has many works. I don't know which of his works you are talking about. For now. The price of his works is still relatively valuable. For example, he has a work, the article number is 7809 13, and the price is 88,000 yuan. His excellent works have been included in the large-scale calligraphy and painting volumes of national celebrities.