cover CHEFOO: 1899 (25 May) 1c. "I.C.P." stationery card with additional "C.I.P." ½c. (2) and 2c. cancelled by Chefoo bilingual c.d.s. with pair of Hong Kong 2c. carmine cancelled by the "I.P.O." tieprint and Shanghai c.d.s., addressed to Argentina with Shanghai, Kobe, Yokohama and New York (duplex) transit datestamps. A little soiled, nevertheless a colourful card. Photo