Carl Siegfried Stoitzner ( 1866 - 1943 ) was an Austrian painter. Carl Siegfried Stoitzner s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 1645 USD for Windmühle bei Retz in 2003 to 7127 USD for In Dürnstein, im Hintergrund die Ruine in 2003 , based on the size and medium of the artwork.