Confederacy, (Slavery) Letter Regarding Slaves in Charleston, So. Carolina. Folded letter datelined Conwayboro, Oct. 5th, 1863, Plowdar C.J. Weston inquires about his 12 Negroes: "Dear Sir, Would you be so good as to enquire of Major Echols, or some other competent person, about my 12 Negroes from Fairfield who have been working in Charleston since the 16th August. I am anxious to know something about them… " Letter franked with pair of 5¢ blue tied by Conwayboro, S.C. cds, Very Fine. Scott No. 6  Estimate $200 - 300. Gen Beauregard ordered the citizens of Charleston to provide 3,000 slaves to build fortifications around Charleston. $0 (Image)