Bernhard Buttersack ( 1858 - 1925 ) was a German painter. Bernhard Buttersack s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 249.88 USD for Dorschhausen in 2004 to 4131.21 USD for Uferlandschaft an der Isar. in 2005 , based on the size and medium of the artwork.