(deleted) and "via Trieste", bearing 1865 8p. vertical pair, 4a. green and 8a. carmine, each cancelled "B/172" and tied by "BUSING SCHRODER & CO/SINGAPORE" cachet in blue applied upon forwarding, showing various rate marks and, on reverse, "SINGAPORE/P.O." c.d.s. in red. A rare and most appealing franking. Photo" /> cover 1866 (18 Mar.) entire letter to Hamburg, marked<I> "via Southampton"</I> (deleted) and<I> "via Trieste"</I>, bearing 1865 8p. vertical pair, 4a. green and 8a. carmine, each cancelled "B/172" and tied by "BUSING SCHRODER & CO/SINGAPORE" cachet in blue applied upon forwarding, showing various rate marks and, on reverse, "SINGAPORE/P.O." c.d.s. in red. A rare and most appealing franking. Photo | Christie's