Anton Zwengauer ( 1810 - 1884 ) was a German painter. Anton Zwengauer s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 1809.95 USD for Gewundener Bachlauf im Wiesengrund in 2005 to 3259.72 USD for Am Ufer des Starnberger Sees. in 2010 , based on the size and medium of the artwork.