Boris Grinsson ( 1907 - ) is a French painter. Boris Grinsson s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 103.52 USD for Untitled in 2011 to 1300 USD for Les Quatre Cents Coups (The 400 Blows) in 2013 , based on the size and medium of the artwork.