Marie Joseph Léon Iwill ( 1850 - 1923 ) was a French painter. Marie Joseph Léon Iwill s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 2323.6 USD for Voiliers √† l¬¥embouchure du fleuve in 2004 to 6909.38 USD for Venise in 2007 , based on the size and medium of the artwork.