[LINCOLN ASSASSINATION]. GARDNER, Alexander, photographer. Original albumen photograph of the execution of the Lincoln assassination conspirators, Washington, D.C., 7 July 1865. Albumen print, 6¼ x 8¾, mounted on card (mount age-toned and chipped). Captioned in contemporary hand, along bottom edge of mount: “Mrs. Mary E. Surratt, Payne, Harrold, Atzerott. Execution of the conspirators of President Lincoln / Jail Yard Washington, D. C. July 7th 1865.”