Richard Diebenkorn ( 1922 - 1993 ) was an American Abstract expressionism, Color Field, and Lyrical abstraction painter. Richard Diebenkorn s works have been put up for auction numerous times, with realized prices greatly surpassing estimated prices, varying from 4800 USD for Softground Cross in 2004 to a remarkable record 23937500 USD for Ocean Park #126 in 2018 , based on the size and medium o