Rickersville Hospital, Charleston S.C. Buff prisoner-of-war inner cover endorsed "J (Image)

E. $ 1,000-1,500

Charleston S.C. Buff prisoner-of-war inner cover to Litchfield Conn., most likely orig (Image)

E. $ 500-750

Camp Sorghum, Columbia S.C. Oatmeal prisoner-of-war inner cover endorsed by Lt. C.W. C (Image)

E. $ 500-750

Florence Prison, Florence S.C. Small folded letter from prisoner-of-war to his wife in (Image)

E. $ 1,500-2,000

Dead Letter Office P.O. Dept. Dateless double oval handstamp struck on flap of 1863 cover (Image)

E. $ 750-1,000

Dead Letter Office P.O. Dept. Received Oct. 10, 1862. Clear strike of oval datestamp ties (Image)

E. $ 500-750

Dead Letter Office P.O. Dept. Bold strike of oval datestamp with "DUE 6 cts." straightline on (Image)

E. $ 400-500

U.S.D.L.O Jun. 26, 1865. Double-circle datestamp struck on narrow cover with original letter (Image)

E. $ 400-500