Confederacy, Charleston S.C. Jun 25 1861, cds on cover with matching "Paid" handstamp (CSA type A) and red crayon "15" cent triple rating on cover to Sumter S.C., manuscript charge box notation at top left, some top edge wear and flap faults, F.-V.F. C.S.A. Catalog No. A; $300  Estimate $200 - 300. Charleston did not have a "15" cent rating handstamp. This is the earliest recorded wartime Charleston charge account letter, and the only "Paid 15" example. $0 (Image)