Oskar Althaus ( 1901 - 1965 ) was a Swiss painter. Oskar Althaus s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 238.63 USD for Zirkusreiter Hommage à Georges Rouault in 2004 to 802.31 USD for Frauenakt mit Hüfttuch in 2006 , based on the size and medium of the artwork.