
© National Portrait Gallery, London
Horatio Walpole, 1st Baron Walpole of Wolterton
by John Simon, after Jean Baptiste van Loo
mezzotint, 1741 (1739)
13 7/8 in. x 9 7/8 in. (354 mm x 250 mm) plate size; 14 5/8 in. x 10 3/8 in. (371 mm x 264 mm) paper size
NPG D4618


