Pen name of the colorful American poet, essayist, and fabulist Cincinnatus Heine (or Hiner) Miller (1837–1913). Original 2.5 x 4.5 carte-de-visite photo by Warren’s of Boston, signed vertically on the reverse in black ink, “Sincerely, Joaquin Miller, Sept. 72.” Last name of signature fairly light, but still legible, and small notations to lower border of front, otherwise fine condition. RR Auction COA.