James Thornhill (attributed To) ( 1675 - 1734 ) was a British painter. James Thornhill (attributed To) s works have been put up for auction numerous times, with realized prices varying from 1112.58 USD for Neptune and Amphitrite, with the arms of the Worshipful Company of Drapers and the City of London painted on the reverse in 2009 to 2625 USD for PORTRAIT OF A GENTLEMAN BELIEVED TO BE SIR WILL