Kui Suo Tie, Running and Cursive Script Calligraphy by Zhu Dunru (1081-1159). [Photo/cguardian.com]

5. Kui Suo Tie, Running and Cursive Script Calligraphy

Artist: Zhu Dunru (1081-1159)

Price: 150.65 million yuan ($23.03 million)

Auction House: China Guardian

Category: Classical Chinese Painting and Calligraphy