Hong KongPostage DuesA good collection on leaves with 1923 set of five mint and overprinted Specimen, 1928-34 set of five, 1938-47 set of seven mint and perforated "<H>specimen". 1956-63 chalk surfaced paper set of four, later issues to 1978 with the different papers and watermarks; large part original gum or unmounted mint. (46)