10c dark blue, 1863-4, used in combination with United States 1861-2 3c rose, tied by Andersonville, Georgia c.d.s. and segmented cork cancel, neatly-struck "Old Point Comfort VA / Aug 25" double-circle c.d.s. beside, from Prisoner of War R.D. Rowe held at Camp Sumter, to his wife in Hartland, Connecticut, endorsed "via flag truce / Prisoner of War Letter" at left, with contents, small piece trimmed from back flap, the 10c adhesive faulty, but a rare mixed-franking prisoner of war cover; ex Milgram, with 1980 Philatelic Foundation certificate.,