Mathias Goeritz ( 1915 - 1990 ) was a German Minimalism abstract painter and sculptor. Mathias Goeritz s works have been put up for auction numerous times, with realized prices greatly surpassing estimated prices, varying from 101575 USD for Oro in 2004 to a remarkable record 386500 USD for MENSAJE in 2010 , based on the size and medium of the artwork.