William Henry Cavendish Bentinck, 3rd Duke of Portland; Lord Edward Charles Bentinck, by and published by John Raphael Smith, after  Benjamin West, published 25 November 1774 - NPG D19986 - © National Portrait Gallery, London

© National Portrait Gallery, London

William Henry Cavendish Bentinck, 3rd Duke of Portland; Lord Edward Charles Bentinck

by and published by John Raphael Smith, after Benjamin West
mezzotint, published 25 November 1774
17 5/8 in. x 10 in. (447 mm x 255 mm) plate size; 16 3/4 in. x 10 5/8 in. (425 mm x 271 mm) paper size
Given by Sir Herbert Henry Raphael, 1st Bt, 1916
NPG D19986

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