Graphite, black chalk, charcoal, Conté crayon, scratching out, and selective glazing on paper laid on Bristol Board
Overall: 11 1/2 x 16 1/4 in. ( 29.2 x 41.3 cm )
Inscribed: at bottom left: "Thomas A. Ayres del 1857"
Signed and inscribed at lower left with a stylus: "Thos A. Ayres, Del. 1857"
Due to ongoing research, information about this object is subject to change.