Valuable. Shown according to query 7788 collection. Cao Shouhuai is a contemporary calligrapher, a member of the Chinese Calligraphers Association, a distinguished professor of the Art Department of China University of Geosciences, a consultant to the Zhejiang Elderly Calligraphy and Painting Research Association, and an art consultant to the Zhejiang Branch of the Chinese Writers Association's Calligraphy and Painting Institute. More than 6,000, it has collection value, so Cao Shouhuai's calligraphy is valuable.