, bearing 1a. brown pairs (2, one stamp with faults due to slightly overlapping cover), each cancelled "B/172" and showing Paid arrival c.d.s. in red with, on reverse, "SINGAPORE/P.O." d.s. A fine example of the 4a. rate per ½oz. via Southampton effective 1 May 1856. Photo" /> cover 1857 (19 June) envelope to London, marked<I> "via Southampton"</I>, bearing 1a. brown pairs (2, one stamp with faults due to slightly overlapping cover), each cancelled "B/172" and showing Paid arrival c.d.s. in red with, on reverse, "SINGAPORE/P.O." d.s. A fine example of the 4a. rate per ½oz. via Southampton effective 1 May 1856. Photo | Christie's