Yin Canghai's calligraphy four-legged couplet has been sold.

Yin Canghai, also known as Lao Cang and Gan Yi. Born in Xiaoxian County, Anhui Province, he graduated from the Department of Chinese Painting of Tianjin Academy of Fine Arts, and later graduated from graduate department of China Academy of Fine Arts. He is now a doctor majoring in art history at the School of History of Nankai University, a professor and master tutor at the Department of Oriental Art of Nankai University, a visiting professor at the Art Education Center of Tianjin University, the secretary-general of the Tianjin University Painting and Calligraphy Culture Research Association, a member of Jiu San Society, and Yin Canghai studied under Mr. Fan Ceng.