Richard Dighton ( 1785 - 1880 ) was a British painter. Richard Dighton s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 121.68 USD for Portrait of Sir Francis Macnaghten in 2003 to 1937.23 USD for A small portrait of a Prussian Officer in 2017 , based on the size and medium of the artwork.