Claude Monet And George W Thornley ( 1840 - 1926 ) was a French painter. Claude Monet And George W Thornley s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 11000 USD for La Creuse. in 2005 to 26000 USD for La Douane, Effet de l'après-midi. in 2011 , based on the size and medium of the artwork.