Ink signatures of the two principal commanders of the Battle of Fort Sumter: Robert Anderson, “Fort Sumter, S.C., Feby 13, 1861, Yours truly, Robert Anderson, Major U.S.A.,” on an off-white 3 x 2.25 sheet; and P. G. T. Beauregard, “G. T. Beauregard, 1871,” on an off-white 3.25 x 1.75 sheet. Double-matted together with portraits of both men to an overall size of 12 x 12. In overall fine condition, with paper loss to the lower right corner of the Anderson slip.