12c Blackish Violet (162).
Deep rich color, used as forwarding postage and tied by indistinct strike of Boston circular datestamp, cover originated in England, sent to Boston, forwarded to New Brunswick and then reforwarded to England,
originating postage paid by G.B. 6p Gray (60)
tied by "Brighton JU 15, 1874" duplex, various transits, Very Fine, rare usage
Image Magnifier / Download
Power Search for Comparables