Hand-painted maps are not only historical records, but also rare paintings and calligraphy works, which have double collection value. At the Guardian auction in China in 2002, Xu Rongxun's hand-painted panorama of the West Lake in Qing Dynasty sold for 22,000 yuan, hand-painted Tonghui River map for 49,500 yuan, hand-painted frontier defense map for 9,900 yuan, and "Zhejiang Coastal Hand-painted Volume 1 Axis" for 28,600 yuan. In 2005, at the auction of China Bookstore, 14, the picture book Map of Beijing and Its Nearby Suburbs in the early years of the Republic of China was sold for 52,000 yuan, and the Map of the Eastern Suburb of Beijing was sold for 3,000 yuan.