Confederacy, Roper Hospital, Charleston, S.C. Prisoner of war cover to New York City, with "Port Royal, S.C. Sep 29, 1864" cds and "Due 3" handstamp, endorsed "Prisoners letter, per Flag of Truce" and "Ex'd" notation and agent of exchange endorsement on reverse; cover with two small tears at the top and sealed flap tears, F.-V.F., with 19 covers recorded from Roper Hospital; with 2001 C.S.A. certificate. Estimate  $750 - 1,000. $0 (Image)