Raoul Frank ( 1867 - 1939 ) was a German painter. Raoul Frank s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 116.57 USD for Nordseestimmung. 1926. in 2006 to 4369.95 USD for Waves Breaking on the Beach on Sylt in 2014 , based on the size and medium of the artwork.