CHARLESTON / S.C. // MAY / 31 / 1861 bold strike of circular datestamp with matching "FREE" straightline handstamp on cover addressed to the John Glymph, P.M. [Postmaster] Glymphville, S.C., sent by Charleston postmaster Alfred Huger; missing tiny part of top flap, Very Fine CONFEDERATE STATES USE ON THE DAY U.S. POST OFFICE OPERATIONS IN THE SOUTH WERE TERMINATED and the day before the Confederate postal system was inaugurated, this is the ONLY RECORDED EXAMPLE of the Charleston handstamped "FREE" marking used in the Confederacy. [SC] $1,700.