1775 (Mar. 20) Charles Town S.C. to Savannah Ga., folded letter carried privately to Charlestown and forwarded with "recd. Charles Town March 8th - forwarded 13th." notation on reverse, entered mails with remarkable bold strikes of "Charles / Town" two-line postmark and matching "MR 20" Franklin mark on flap, manuscript "1N4" rating, local currency rating of "17/" shillings, Very Fine and choice. Estimate  $3,000 - 4,000. A REMARKABLE COMPLETE STRIKE OF THE BRITISH COLONIAL "CHARLES TOWN" POSTMARK. $0 (Image)