Valentin Roschacher ( 1960 - ) is a Swiss painter. Valentin Roschacher s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 29069.77 USD for JUNGFRAU, 2006 MOUNTAIN PEAK JUNGFRAU, 2006 in 2013 to 34020.22 USD for LA MARGNA (AM SILSERSEE) in 2015 , based on the size and medium of the artwork.