George Willem Opdenhoff ( 1807 - 1873 ) was a Dutch painter. George Willem Opdenhoff s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 5697.26 USD for Shipping activity in a river estuary in 2004 to 25000 USD for Sailing off the Dutch coast; and a companion painting in 2007 , based on the size and medium of the artwork.