Ink signature, “R. B. Hayes,” on an off-white card, with a date notation of January 7, 1878, in another hand. Matted with an engraved portrait, to an overall size of 7.5 x 10.75. A touch of mild toning and adhesive residue and a trivial brush to first initial, otherwise fine condition. LOA John Reznikoff/PSA/DNA and R&R COA.