Great Britain, Rowland Hill "R. Hill", initials at lower left on 1850-60's cover addressed to senator Charles Sumner in Boston, Mass., red "Official Paid, London, Au 18" cds and "5" cents rate handstamp, red "Boston Br. Pkt., Paid, Aug 31" entry cds, P.M. General seal on backflap, Very Fine. Estimate  $200 - 300. $0 (Image)