‘"We Go for the Union"’, ca. 1840/1850, National Gallery of Art, Washington, D.C.
overall: 46.2 x 61.5 cm (18 3/16 x 24 3/16 in.)  framed: 57.1 x 72.4 x 5.3 cm (22 1/2 x 28 1/2 x 2 1/16 in.)