Confederacy, Flag of Truce Steamer New York/Charleston Harbor. LS, 1p., 4to., Office Asst. Agent for Exchange of Prisoners/Flag of Truce Steamer New York imprint with manuscript "Charleston Harbor, S.C. Dec. 16, 1864" dateline, addressed to "Comdg. Officer, Fort Gregg, Morris Island, S.C." pertaining to forwarding a dispatch. Signed by John E. Mulford, Lt. Col. and Asst. Agt. for Exchange, Very Fine and rare, a very historic document. Estimate  $500 - 750. $0 (Image)