Union officer and additional aide-de-camp to General Abner Doubleday. Original 2.25 x 4 carte-de-visite photo by R. W. Addis of Washington, D. C., signed below the image in black ink, “Murdith L. Jones, A.A.D.C. Gen. Doubleday.” In fine condition, with a bit of scattered light soiling and corner tip creases to lower left. RR Auction COA.