. In Dec. 1783,
had paid one hundred guineas for this portrait, the only known life-sized painting
of him; but despite his payment and his directions here to have a frame made for it,
he did not receive the portrait until 1817, shortly after Copley's death. Engravings
were made from the portrait in 1786 and 1794. See Oliver, Portraits of
, p. 23–38, and illustrations 9–17.