© National Portrait Gallery, London
King William III when Prince of Orange
by Gerard Valck, after Sir Peter Lely
mezzotint, probably late 17th century
13 7/8 in. x 10 in. (352 mm x 254 mm) plate size; 14 in. x 10 1/4 in. (356 mm x 260 mm) paper size
NPG D7749
