Distinguished French novelist (1802–1870) of such historical classics as The Count of Monte Cristo, The Three Musketeers, and The Man in the Iron Mask. Rare original 2.5 x 4 carte-de-visite photo by Pierre Petit of Paris, signed at the bottom of the image in black ink, “A. Dumas.” Some scattered light surface marks and soiling to front, small pencil notation along bottom edge, dampstaining to reverse, and some light irregular ink adhesion to signature, otherwise fine condition. Just the third signed portrait of Dumas (pere) we have seen. RRAuction COA.