cover 1864 (21 Dec.) envelope (with contents) ex the "Cochrane" correspondence to Ireland, bearing 1859 6d. dull purple with wing-margin tied by smudged "B31", showing crayon "5", Paid Liverpool Br. Packet c.d.s. and, on reverse, "PAID.AT.SIERRA.LEONE" c.d.s., all in red; the envelope with flap torn and some other small faults. Photo