William Clark ( 1803 - 1883 ) was a British painter. William Clark s works have been put up for auction numerous times, with realized prices varying from 15432.1 USD for CROSSING THE FINISHING LINE AT THE ROYAL NORTHERN YACHT CLUB`S REGATTA AT GREENOCK, 1835 in 2003 to 16800 USD for The topsail schooners Onyx and Sapphire in an encounter off the Isle of Man in 2005 , based on the size and mediu