Portrait of Benjamin Lincoln by Charles Willson Peale. Probably painted during Lincoln's term as Secretary of War before October 13, 1784. Listed in the 1795 Peale Museum catalog. Purchased by the City of Philadelphia at the 1854 Peale Museum sale. [Charles Willson Peale / http://www.cr.nps.gov/museum/exhibits/revwar/image_gal/indeimg/lincoln.html -- Public domain -- http://commons.wikimedia.org/wiki/File:Benjamin lincoln by charles wilson peale.jpg]