Richard Hamilton & Dieter Roth ( 1922 - ) is a British painter. Richard Hamilton & Dieter Roth s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 1094.5 USD for Seminar (L. 80) in 2007 to 9869.72 USD for INTERCASES in 2008 , based on the size and medium of the artwork.