Qian Du (after) ( 1763 - 1844 ) was a Chinese painter. Qian Du (after) s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 200 USD for LANDSCAPE in 2011 to 1250 USD for Autumn Landscape after Wen Zhengming in 2017 , based on the size and medium of the artwork.