What is the calligraphy price of the poet Niu Fang?

Niu Fang, a national first-class writer and poet, has his own calligraphy style and is natural and unrestrained. At the same time, unlike ordinary calligraphers, each of his calligraphy works is his literary creation, which is unique, popular and Zen. Because of his popularity as a writer and poet, there is still a lot of room for appreciation and great collection value. His work is currently worth 5 100 square feet.