Uncommon 2.25 x 4 carte-de-visite photo of Barnum by Black & Case of Boston and Newport, signed below the image in ink, "P. T. Barnum, 1867," and also signed on the reverse, "Clinton, Jan'y 24/67, P. T. Barnum." In fine condition, with a light horizontal crease. A great portrait of the legendary showman boasting two fine autographs. Encapsulated in a PSA/DNA authentication holder.