(deleted) Trieste", bearing 4a. black pair on blue glazed paper clearly cancelled "B/172", showing boxed "6¼" in blue, manuscript "8½" in blue ink and, on reverse, "SINGAPORE/P.O." c.d.s. in red. Photo" /> cover 1857 (8 June) entire to Hamburg, marked<I> "Via Marseilles</I> (deleted)<I> Trieste"</I>, bearing 4a. black pair on blue glazed paper clearly cancelled "B/172", showing boxed "6¼" in blue, manuscript<I> "8½"</I> in blue ink and, on reverse, "SINGAPORE/P.O." c.d.s. in red. Photo | Christie's