Wolfgang Grau ( 1908 - 1970 ) was a German painter. Wolfgang Grau s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 388.79 USD for Im Weinkeller in 2006 to 590.67 USD for Blick auf den Weißensee bei Füssen mit Säuling in 2010 , based on the size and medium of the artwork.