Louis Étienne Duval ( 1824 - 1914 ) was a Swiss painter. Louis Étienne Duval s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 1056.68 USD for Middle Eastern landscape. in 2008 to 5939.43 USD for La chasse au faucon in 2013 , based on the size and medium of the artwork.