Is Dunn's calligraphy valuable?

valuable. According to the relevant information, Dunn, a famous film producer, screenwriter, director and calligrapher, was born in 1956 and his ancestral home is Penglai, Shandong. At present, he is honorary president of China Dramatists Association, director of China Channel 1 film and television channel, vice president of Oriental Film and Television College, and associate researcher of painting and calligraphy in China National Painting and Calligraphy Institute, so his calligraphy is valuable.