cover CHEFOO: 1899 (9 June) 1c. "I.C.P." stationery card with "C.I.P." 2c. (2) cancelled by bilingual c.d.s., addressed to Leipzig with pair of Hong Kong 2c. carmine tied by "I.P.O." tieprint and Shanghai c.d.s. with Hong Kong transit c.d.s. alongside, clean and fine