Tan Yankai ( 1876 - 1936 ) was a Chinese painter. Tan Yankai s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 4820 USD for CALLIGRAPHY IN RUNNING SCRIPT in 2010 to 10235 USD for CALLIGRAPHY IN CURSIVE SCRIPT in 2011 , based on the size and medium of the artwork.