Fritz Mackensen ( 1866 - 1953 ) was a German painter. Fritz Mackensen s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 375.18 USD for Worpsweder Landschaft in 2007 to 1390.34 USD for Flower still life in Brown Jug by the Window in 2011 , based on the size and medium of the artwork.