cover 1857 (19 June) envelope to London, marked "via Southampton", 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 "via Southampton", 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

Details
cover 1857 (19 June) envelope to London, marked "via Southampton", 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