John Jackson (attributed To) ( 1778 - 1831 ) was a British painter. John Jackson (attributed To) s works have been put up for auction numerous times, with realized prices varying from 390.65 USD for Portrait full length, thought to be of the Earl of Harewood, wearing ceremonial robes, standing next to a coronet on a table, in 2004 to 1920 USD for Portrait of a gentleman, said to be Captain Thoma