Wu Yifeng ( 1907 - 1998 ) was a Chinese painter. Wu Yifeng s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 685.92 USD for THE RETREAT UNDER THE JIANMEN PASS in 2007 to a remarkable record 52501.14 USD for AUTUMN MOUNTAIN in 2013 , based on the size and medium of the artwork.