Clarence Ingwall Tillenius ( 1913 - ) is an American painter. Clarence Ingwall Tillenius s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 350 USD for Three Does Running #A.P in 2006 to 2531.13 USD for UNTITLED (SNOWSHOE HARE) in 2007 , based on the size and medium of the artwork.