U5 1859 (Sept.) U5 to New York, marked "Via Southampton" and "under ½oz.", bearing 1855 blue glazed paper 4a. black pair and a single BISECTED DIAGONALLY, all cancelled "B/172", showing London Paid transit c.d.s. and, on reverse, "SINGAPORE/P.O." c.d.s.; the U5 a little worn around edges and with some light discoloration at upper left. Very rare. B.P.A. Certificate (1965). Ex Dr. Wood. Photo