Koos Hooykaas ( 1903 - 1969 ) was a Dutch painter. Koos Hooykaas s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 63.73 USD for Abstracte compositie in oker en rood in 2008 to 1582.53 USD for Personnage allongé in 2014 , based on the size and medium of the artwork.