US treasurer during the Civil War who is credited with bringing women into the civil service (1802–1890). ALS signed “F. E. Spinner,” one page, 5 x 8, December 13, 1875. Letter to Frederick J. Leavens. In part: “Your note…has been received. It gives me pleasure to comply with the wishes of your lady friend.” In fine condition, with a speck of toned adhesive to the left side. RR Auction COA.