Cheng Shifa (after) ( 1921 - ) is a Chinese painter. Cheng Shifa (after) s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 471.42 USD for A GIRL WITH SHEEP in 2005 to 1600 USD for Scholar and Concubine in 2011 , based on the size and medium of the artwork.