Are Zhang Shigong's paintings valuable?

Worth some money. Zhang Shigong's masterpiece Landscape Painting is 12. The whole picture is at the end of the sea of clouds. Immersed in the scene, surrounded by mountains and rivers, with strong financial resources, the cause is booming. Zhang Shigong, male, 1945, born in Shaoxing, Zhejiang. Now he is a researcher of China International Painting and Calligraphy Research Association, a member of Beijing Chinese Painting Research Association, a national first-class artist and a special painter of Yuanming Painting Garden. In 1950s, he began to receive calligraphy art training under the guidance of his father. 1972 he studied China's landscape painting from Ma Quan, Wu Xiu, Guo Chuanzhang and other famous painters in Beijing Painting Academy, and studied under Mr. Guo Chuanzhang.