Is Zhao Yechu's calligraphy valuable?

Zhao Yechu's gratitude calligraphy and painting are valuable, estimated at around 2 million.

20/kloc-in may, 2008, Lawrence international photographed Zhao yechu's 7.5-square-foot plaque and won 2.2 million yuan. Zhao Yechu's calligraphy Thanksgiving, with the size of 1 10×75cm, was sold at Lawrence International Auction Co., Ltd. for1786,400 yuan.