Zhang Bi ( 1425 - 1487 ) was a Chinese painter. Zhang Bi s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 493184.96 USD for THOUSAND CHARACTER CLASSIC (QIAN ZI WEN) IN CURSIVE SCRIPT in 2013 to a remarkable record 874000 USD for THE THOUSAND CHARACTER CLASSIC IN CURSIVE SCRIPT in 2015 , based on the size and medium of the artwork