Charleston - Free Franks, 1847-1860, group of 13 covers including postmaster free franks and Post Office Business free usages; includes 1860 free to Senator and Governor R. Alston at Charleston and forwarded to Georgetown S.C.; with preprinted "P.O.B." and "Free" envelope to Postmaster at Granite Hill N.C. with original enclosed return registered letter bill; and 1860 with fancy "P.O. Business Free" in arc framed handstamp; etc, F.-V.F. Estimate  $300 - 400. $0 (Image)