Xu Gu ( 1824 - 1896 ) was a Chinese painter. Xu Gu s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 2046.04 USD for five goldfish beneath an overhanging branch in 2005 to a remarkable record 374925.01 USD for Prunus in Vase in 2011 , based on the size and medium of the artwork.