Calligraphy named Wu Hai belongs to several schools.

First class.

1, Guanming Haitang (1885- 194 1), Su Ming, Zi Yi,No. Haitang, Hai Zuo, etc. He was a great calligrapher in Meiji Japan.

2. Guan Minghai Tang is the grandson of Guan Minghai, one of the "three strokes at the end of the curtain". His brushwork is close to his grandfather's, and his level is not lower than his grandfather's, but it is heavy and is a first-class masterpiece.