William Callow (attributed to) ( 1812 - 1908 ) was a British painter. William Callow (attributed to) s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 77.95 USD for fishing boat in a squall off a rocky coast in 2005 to 362.99 USD for Schloss Knackhausen On the Rhine in 2007 , based on the size and medium of the artwork.