William Henry Cavendish Bentinck, 3rd Duke of Portland
overall: 76.3 x 63.2 cm (30 1/16 x 24 7/8 in.)  framed: 99.7 x 87 x 2.9 cm (39 1/4 x 34 1/4 x 1 1/8 in.)

About Matthew Pratt