Keywords: Justus Helmuth.jpg en Sitter Rev Justus Henry Christian Helmuth 16 May 1745 - 5 Feb 1825 Artist John Eckstein 1736 - 1817 Date of Work c 1795 Medium Oil on canvas Dimensions 78 8cm x 71 1cm 31 x 28 Accurate Owner National Portrait Gallery Smithsonian Institution Acquisition Date 1967-01-30 Credit Line National Portrait Gallery Smithsonian Institution Ref NPG 67 7 http //npgportraits si edu/eMuseumNPG/media/previews/6700014a jpg upload by User Concord picture by John Eckstein 1736-1817 ca 1795 PD-Art-100 19th-century portrait paintings in the National Portrait Gallery United States People of Philadelphia Lutheranism Johannes Eckstein 19th-century cabinet portraits |