Are Pan's calligraphy works collectible?

Yes Pan, pen name Wan Tian, was born in Luoyang, the ancient capital of the 13th Dynasty, in A.D. 1957. He is currently a director of China Painters Association, a director of China Bai Juyi Painting and Calligraphy Research Institute, an executive vice president of Luoyang Poetry and Calligraphy Research Institute, an art consultant of China Folk Painters Association and a national first-class calligrapher. Mr. Pan loved calligraphy since he was a child and often wrote couplets and other documents for his neighbors. He insisted on writing, visited famous calligraphy posts, especially Liu Ti and European calligraphy, and constantly asked his colleagues for advice. He has been constantly guided by Mr. Zhang Zhixian, the executive director of China Bangshu Association, and his calligraphy has made great progress, which has been recognized by all walks of life. The beauty of books is the best, followed by form and quality, and those who have both can be seen in the ancients. Mr. Pan has been obsessed with calligraphy for decades and has been writing constantly. Influenced by the culture of the imperial capital for thousands of years, his book style is elegant and simple, and his book list is steady and powerful. The cursive script is skillful, smart and elegant, and its works are highly collectible and deeply loved by collectors. His work was auctioned for $3,860.