Graphite on paper, half-length profiles, circa 1830. Of particular interest is that the gentleman is wearing a military uniform.  For other examples of Demarest's work see Philadelphia Museum of Art, Accession #2013-46-2.  Also Monmouth County Historial Society, Abraham P. Demarest portraits of Daniel Conover and Mrs. Daniel Conover. Dimensions: sight 2.25" x 3", frame 4.5" x 5.25".