Rex Ashlock ( 1919 - 1999 ) was an American painter. Rex Ashlock s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 2160 USD for Two works of art: Orange Field on Purple, No. 2, ca. 1963-64 in 2007 to 9000 USD for Green Field on Blue, 1965 in 2007 , based on the size and medium of the artwork.