cover 1900 registered envelope (220 x 170mm.) to Germany (11.8 arrival) bearing I.C.P. 20c. block of four cancelled by "WUCHOW" c.d.s. (6.7) in combination with Hong Kong 20c. on 30c. with Chinese character block of four with "I.P.O." tieprint cancelled by "HONG KONG" c.d.s. (12.7). Fine. Photo