1851 (Sep. 19) Charleston S.C. to St. Johns, New Brunswick, folded letter with blue "Charleston S.C. '24' Sep 19" integral-rate cds with blue manuscript "10" cent rate updating to proper cross-border rate, St. Johns (9.26) backstamp, red "U. States" in arc framed handstamp and manuscript "6" pence due rating, Very Fine and unusual. Estimate  $150 - 200. $0 (Image)