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

细节
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