Keywords: Self Portrait by Benjamin West.jpeg Artwork Self-portrait or 1758 1759 Watercolor ivory miniature cm 6 4 4 6 Institution Yale University Art Gallery accession number object history credit line painted in Philadelphia Pennsylvania It is the first known miniature in watercolor on ivory known to have been painted by an American artist Yale University Art Gallery http //ecatalogue art yale edu/detail htm objectId 16157 <gallery>Benjamin west-selfportrait jpg</gallery> PD-old-100 Portraits by Benjamin West 18th-century portrait paintings in the Yale University Art Gallery 1758c Paintings by Benjamin West in the Yale University Art Gallery Miniatures in the Yale University Art Gallery 1758 portrait paintings Male 1759 portrait paintings Male 18th-century oval portrait miniatures of men at half length 1758c 18th-century self-portrait paintings of men Brown clothing in art male Portrait paintings of men holding tricorne hats 1758c Three-quarter view portrait paintings of men facing left |