Thomas Gainsborough (circle Of) ( - ) is a painter. Thomas Gainsborough (circle Of) s works have been put up for auction numerous times, with realized prices varying from 2865.15 USD for A portrait, said to be Lady Welch in 2010 to 3056.16 USD for A portrait said to be of Sir Richard Welch in 2010 , based on the size and medium of the artwork.