Chinese Empire (1878-1949) » 1897-1911 Imperial Post. 1898 C.I.P. (watermarked) group of four mint horizontal pairs imperf. between incl. 1c ochre (thin), 2c (some heavy gum toning), 10c (fine) and 30c (some toning), a scarce group of vareties (Image)

1900-06 C.I.P. $1 to $5, each stamp with punch hole (from the Waterlow file sheets), as well as $1 & $2 handstamped "Specimen." in violet with punch hole, the latter $2 with gum and the rest no gum, one with a slight thin, unusual group (Image)