Who is Weng Guo Xiang? Is his calligraphy and painting valuable?

Weng Tonghe, whose real name is Ping Shu, was produced in the Song Dynasty, and other departments include: bottle sheng, bottle Lu afterlife, eyebrow afterlife and so on. And the number of idle people is set on another day, and the number of bottle temples is set at night. In the sixth year of Xianfeng in Qing Dynasty (1856), there was a class of champions. Officially co-sponsored college students, the Minister of Housing, and participated in the maintenance. Successive Tongzhi and Guangxu emperors. A famous politician and calligrapher in Qing Dynasty, if his paintings and calligraphy are really valuable.