Bo (ston). Manuscript pmk with "7 dwt" rate for grains of silver to travel from Charles Town (South Carolina) to John Edward Shipman, Esq. in Philadelphia (noted Quaker merchant), additional ms "2/11" rate denoting Philadelphia postmaster's conversion to local currency upon arrival, addressee docketing "Col. Alford, Charles Town, August 11, 1760" inside, Extremely Fine. Estimate  $300 - 400. $0 (Image)