cover -- 1901 (28 Jan.) XU5 to London bearing, on reverse, C.I.P. 5c. pair tied by Swatow bi-lingual c.d.s. and, on face, Hong Kong 10c. blue tied by boxed "I.P.O." (Type 2) and Hong Kong c.d.s. (29.1); backstamped London (2.3). Photo