Kojin Toneyama ( 1921 - 1994 ) was a Japanese painter. Kojin Toneyama s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 164.2 USD for LANDSCAPE OF CHILD in 2005 to a remarkable record 1146.05 USD for Geometrismo in 2009 , based on the size and medium of the artwork.