Guillaume benjamin Duchenne De Boulogne ( 1806 - 1875 ) was a painter. Guillaume benjamin Duchenne De Boulogne s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 546.04 USD for Mécanisme de la physionomie humaine, 1862 in 2007 to 4000 USD for Studies from Photographies Pathologiques in 2011 , based on the size and medium of the ar