Martha Washington by James Peale, watercolor on ivory. 4 x 3.2 cm (1-9/16 x 1-1/4 in.), 1796. Signed: "I P 1796." The Mount Vernon Ladies' Association, Mount Vernon, Virginia. Ellen G. Miles, George and Martha Washington: Portraits from the Presidential Years (Washington, D.C. and Charlottesville, VA: Smithsonian Institution, National Portrait Gallery, and the University Press of Virginia, 1999), 44.