Willem George Frederik Jansen ( 1871 - 1949 ) was a Dutch painter. Willem George Frederik Jansen s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 2074.04 USD for MOORED SAILINGVESSELS in 2003 to 15292.09 USD for A VIEW OF THE PRINSENGRACHT WITH THE WESTERKERK, AMSTERDAM in 2003 , based on the size and medium of the artwork.