RUSSELL SAGE (1816-1906) American financier associated with Jay Gould in the stock market and in the promotion and sales of securities. Bold signature and closing on a small slip, in full: "1887 I am respectfully your Obt. Servant Russell Sage Sept. 7, 1887". Slight smudging to last letters of last name, very slight gluestain to verso, else very good. $75-100