USA Civil War "Flag Of Truce" Prisoner Covers - four covers each with a Scott 65 tied by Old Point Comfort, VA CDS's and cork fancy cancels. All sent to the same person, Mrs. Thos. E. Wolfe, Mystic River, Conn. On each letter, there is a manuscript notation of "Prisoner Letter By Flag of Truce". This system was the only legal way to move mail from North to South and vise versa during the war. Mail had to be received and cancelled through specific, designated cities before it could move on. Interesting piece of history and a great opportunity for further research. Covers has some minor faults and soiling. (Est $800-1200) (Est $800-1200)