U5 1855 (17 Nov.) E. to Canton, bearing 1854 1a. Die I strip of four and 4a. 4th printing, all clearly cancelled by diamond of dots and showing, on reverse, "PENANG/P.O." c.d.s. partly across join and Hong Kong transit c.d.s.; one 1a. and the 4a. crossed by filing creases and the E. with some minor discoloration. An extremely rare franking. Photo