, bearing ½a. deep blue Die I pair (both touched at top) clearly tied by "B/172" obliterators, showing manuscript "4" with, on reverse, "SINGAPORE/P.O." c.d.s. in red and light arrival c.d.s.; the entire with some ink etching. Photo" /> cover 1858 (Feb.) entire to Hong Kong, marked<I> "per Str Bahiana"</I>, bearing ½a. deep blue Die I pair (both touched at top) clearly tied by "B/172" obliterators, showing manuscript<I> "4"</I> with, on reverse, "SINGAPORE/P.O." c.d.s. in red and light arrival c.d.s.; the entire with some ink etching. Photo | Christie's