ITHELL COLQUHOUN ( 1906 - 1988 ) was a painter. ITHELL COLQUHOUN s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 367.49 USD for Exposed on the Mountains of the Heart in 2003 to 29777.1 USD for La cathédrale engloutie in 2018 , based on the size and medium of the artwork.