Bernhard Schneider blumberg ( 1881 - 1956 ) was a German painter. Bernhard Schneider blumberg s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 127.1 USD for Das Obertor in Stein am Rhein. in 2005 to 1185 USD for Insel Reichenau, Mittelzell in 2011 , based on the size and medium of the artwork.