U5 1900 (3 Oct.) 10c. registration U5 (size H) to London, bearing additional 10c., both cancelled by c.d.s. and showing registration label; 1909 (22 Dec.) 10c. registration U5 (1907 issue, size H) to Belgium, bearing additional 8c. pair, both cancelled by "REGISTERED/G.P.O. HONG-KONG" c.d.s. and showing Type Rvi registration h.s.; 1910 (31 May) 10c. registration U5 (1907 issue, size H) to Canada, bearing additional 10c., both cancelled by "REGISTERED/G.P.O. HONG KONG" double-ring c.d.s. and showing Type Rvii registration h.s.