Zheng Zaidong ( 1953 - ) is a Chinese painter. Zheng Zaidong s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 30000 USD for PEERING OUT OF THE CLOUDS & MOUNTAIN FLOCK STARTLED BY THE NEW MOON in 2006 to 45600 USD for UNTITLED in 2006 , based on the size and medium of the artwork.