Karl Exter ( 1902 - 1982 ) was a German painter. Karl Exter s works have been put up for auction numerous times, with realized prices varying from 773.45 USD for Blick auf das Exterhaus am Chiemsee im Frühling in 2008 to 882.09 USD for Ruderboote am Chiemseeufer in 2014 , based on the size and medium of the artwork.