Francis Dayrell Kortheuer ( 1906 - 1995 ) was an American painter. Francis Dayrell Kortheuer s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 800 USD for GRANDFATHER MOUNTAIN, NORTH CAROLINA in 2008 to 1700 USD for Mrs. Lee in 2014 , based on the size and medium of the artwork.