GERHARD RICHTER AND ISA GENZKEN ( 1932 - ) is a German painter. GERHARD RICHTER AND ISA GENZKEN s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 6639.99 USD for Tri-Star in 2016 to 19010.09 USD for Tri-Star in 2016 , based on the size and medium of the artwork.