, bearing 2a. green with close to good margins clearly tied by "B/172" obliterator, showing manuscript "4" with, on reverse, clear "SINGAPORE/P.O." c.d.s. in red. Photo" /> cover 1856 (4 Oct.) entire to Canton, marked<I> "per Fiery Cross"</I>, bearing 2a. green with close to good margins clearly tied by "B/172" obliterator, showing manuscript<I> "4"</I> with, on reverse, clear "SINGAPORE/P.O." c.d.s. in red. Photo | Christie's