Joseph Siffred Duplessis (French, Carpentras 1725–1802 Versailles)
Benjamin Franklin (1706–1790), 1778
Oil on canvas; Oval, 28 1/2 x 23 in. (72.4 x 58.4 cm)
The Metropolitan Museum of Art, New York, The Friedsam Collection, Bequest of Michael Friedsam, 1931 (32.100.132)
http://www.metmuseum.org/Collections/search-the-collections/436236