This original painting, valued at 87.4 million yuan, is one of the top ten famous paintings handed down from generation to generation in China. Silk Book, a color scroll, is 38.5cm long and129.6cm wide, which was written by Yan, a famous painter in Tang Dynasty. His works are elegant and gorgeous in color, smooth and round in lines, and changeable in composition, which is the masterpiece of painting in the Tang Dynasty. It has precious historical and artistic value.