Karl Kroner ( 1887 - 1972 ) was a German painter. Karl Kroner s works have been put up for auction numerous times, with realized prices varying from 425.71 USD for Bäuerliche Szene mit Stall und Kuhherde am Flussufer in 2005 to 524.38 USD for Glockenblumen und Rittersporn in einer Glasvase vor türkisfarbenem Hintergrund in 2011 , based on the size and medium of the artwork.