correspondence, marked "via Trieste", bearing 8a. carmine clearly cancelled "B/172" and tied by blue firm's cachet, showing various coloured rate markings with, on reverse, "SINGAPORE/P.O." c.d.s. and various transit and arrival datestamps. Photo" /> cover 1867 (7 Feb.) entire letter ex the<I> "Naef"</I> correspondence, marked<I> "via Trieste"</I>, bearing 8a. carmine clearly cancelled "B/172" and tied by blue firm's cachet, showing various coloured rate markings with, on reverse, "SINGAPORE/P.O." c.d.s. and various transit and arrival datestamps. Photo | Christie's