, bearing 2a. green (2, close to good margins) tied by poor "B/172" obliterators, showing London Paid arrival c.d.s. with, on reverse, "SINGAPORE/P.O." c.d.s. in red. Neat and attractive. Photo " /> cover 1857 (15 Sept.) envelope to London, marked<I> "Per Steamer via Southampton"</I>, bearing 2a. green (2, close to good margins) tied by poor "B/172" obliterators, showing London Paid arrival c.d.s. with, on reverse, "SINGAPORE/P.O." c.d.s. in red. Neat and attractive. Photo | Christie's