Keywords: 1785 american history americanhistory joseph siffred duplessis josephsiffredduplessis smithsonian national portrait gallery smithsoniannationalportraitgallery steven green stevengreen art history independence oil on canvas oiloncanvas oil painting oilpainting photography portrait people indoor Digital photograph of the original portrait of Benjamin Franklin by artist Joseph Siffred Duplessis, oil on canvas, 1785, Smithsonian National Portrait Gallery Digital photograph of the original portrait of Benjamin Franklin by artist Joseph Siffred Duplessis, oil on canvas, 1785, Smithsonian National Portrait Gallery |