CLEMENS, SAMUEL LANGHORNE. Photograph signed ("Mark Twain"), n.p., n.d. [ca. 1900 or later]. 5 x 7 1/2 in. (127 x190 cm.), remnants of mounting on verso.Showing the elderly Clemens writing in bed, playfully signed by him on a sheet of writing paper in the photograph -- CLEMENS. Postcard photograph signed ("Mark Twain"), by The Rotograph Co., New York (imprint on verso), n.d. [1900]. 5 1/2 x 3 3/8 in. (138 x 85 cm.), a few slight marks on image. A half-length portrait of the 65-year-old Clemens, signed by him at bottom margin just below his printed name. This image illustrated in Justin Kaplan, Mr. Clemens and Mr. Twain (New York, 1966), at p. 94. Together 2 items. (2)