Eccentric American entrepreneur who helped organize the Union Pacific Railroad and circumnavigated the world three times (1829–1904). Original 2.5 x 4 carte-de-visite portrait by Nichols of New York, signed and inscribed on the image in purple ink. Scattered toning and soiling, and irregular adhesion and fading to the signature, which remains only partially legible, otherwise very good condition. RR Auction COA.