Everhardus Koster ( 1817 - 1892 ) was a Dutch painter. Everhardus Koster s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 10194.44 USD for SHIPPING ON THE IJ, AMSTERDAM in 2003 to 53011.34 USD for SHIPS ON THE RIVER IJ, AMSTERDAM in 2007 , based on the size and medium of the artwork.