Confederacy, Fort Delaware, Delaware City, prisoner of war cover to Louisville, Kentucky, with full strike of oval "Prisoner's Letter, Examined, Fort Delaware, Del." censor's handstamp, franked with grid canceled U.S. 1861, 3¢ rose and matching "Delaware City, Del., Jul 27" cds alongside, 1864 docketing at left, Extremely Fine; with 2012 P.F. certificate. Scott No. U.S. 65  Estimate $300 - 400. $0 (Image)