How much will Zhang Shoushi's paintings be worth in 20 years?

The value will increase a lot. Zhang Shoushi, also known as Aisingiorro * Shoushi, 195 1 Hebei anguan. A famous calligrapher in China, he owns Zhen Shi Shanju and Louyun Bookstore. His paintings were famous at that time. After 20 years, their value will increase a lot and they can be sold at a high price.