172 x 245 mm. With imprint of Kemp, Photographer, 137 S. Broad St., Trenton, N.J. on verso." /> [LINCOLN -- ASSASSINATION]. GARDNER, Alexander, <I>Photographer</I>. Photograph of John Howard's "Livery & Sale Stables" on 7th Street, Washington, D.C., where Booth kept the horse on which he escaped after the assassination. Albumen photograph, <I>172 x 245 mm.</I> With imprint of Kemp, Photographer, 137 S. Broad St., Trenton, N.J. on verso. | Christie's