Karl Heffner ( 1849 - 1925 ) was a German painter. Karl Heffner s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 2287.77 USD for Blick auf eine Hafenstadt an der Ostsee, in 2003 to 4653.4 USD for Herbstbirken am Wasser in 2006 , based on the size and medium of the artwork.