Which of Lin's paintings and calligraphy is valuable?

Map of the Yangtze River. According to the information of the inquiry news network, Lin is a member of China Calligraphers Association, China Bai Juyi Painting and Calligraphy Art Research Institute, China Huanglong Painting and Calligraphy Institute and Luoyang Ward Painting and Calligraphy Institute. Among them, the Wan Li Map of the Yangtze River won the highest value product at the Beijing auction on 20 18, with a value of 1.5 million.