Qian Weiqiao ( 1739 - 1806 ) was a painter. Qian Weiqiao s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 82354.74 USD for Landscape of the Southern Mountain in 2006 to 183010.52 USD for By the River Bank in 2006 , based on the size and medium of the artwork.