cover 1877 (15 June) envelope to Liverpool with red "VIA BRINDISI" handstamp in red, bears a single franking 16c. on 18c. tied by "B62" with Hong Kong despatch c.d.s. alongside; the flap with logo of Castle Line of Steam Packets with arrival c.d.s. The adhesive shows distinctive "c" and broken "1". Light perf. tone, fresh and attractive. Photo