Christoph Schellberg ( 1973 - ) is a painter. Christoph Schellberg s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 540 USD for Untitled, 2006 in 2009 to 9806.88 USD for JEFF KOONS (DIPTYCH) in 2009 , based on the size and medium of the artwork.