George A. Otis, 
1867 (after), Photograph No. 23: Skull-cap, exhibiting Gunshot Fracture near the Vertex by a Conoidal Musket Ball, which has split against the Lamina of the Left Parietal. The Patient died Twenty-three days after the inflction of the Injury. Private C.C.W-, Book plate, 
Internet Archive, 
LL/55552