Francis Cotes ( 1726 - 1770 ) was a British painter. Francis Cotes s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 6453.54 USD for PORTRAIT OF ADMIRAL THOMAS CRAVEN (C.1715-1772) in 2003 to 291687.93 USD for Portrait of William Earle Welby in 2012 , based on the size and medium of the artwork.