cover CHEFOO: 1899 (29 April) lithographed picture postcard to Italy (1.6 arrival), bearing C.I.P. 4c. cancelled by "CHEFOO" "dollar chop" and showing Hong Kong 2c. pair adjacent tied by Shanghai (2.5) c.d.s. and by Chefoo tie-print, various other transit c.d.s.; an early usage of the I.P.O. tie-print. Photo