Is Ning Baocheng's calligraphy valuable?

Ning Baocheng's calligraphy is very valuable. Ning Baocheng is a calligrapher, and his works have certain collection value. But the specific value will be different due to quality, preservation status, market demand and other factors. Some auction websites show that the transaction price of Ning Baocheng's calligraphy works in the auction ranges from several thousand yuan to several hundred thousand yuan. However, it should be noted that the value of works of art is influenced by many factors, including market demand, buyers' preference, quality of works, historical background and so on.