Oskar Leu ( 1864 - 1942 ) was a German painter. Oskar Leu s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 205.46 USD for Mühle am Wehr in sommerlicher Landschaft in 2004 to 1646.9 USD for Wide Open Landscape in 2006 , based on the size and medium of the artwork.