Williamson ( 1800 - ) is a British painter. Williamson s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 95.33 USD for Portrait of Jurat Pinel, half length in 2005 to 1376.5 USD for PORTRAIT OF JOHN, 6TH EARL OF WIGTON (1673-1743) in 2005 , based on the size and medium of the artwork.