cover SHANGHAI: 1899 (11 May) coloured picture post card to Germany bearing C.I.P. 4c. tied by light pa-kua and showing the double-ring Shanghai Local Post c.d.s. at left, with pair of Hong Kong 2c. carmine cancelled by Shanghai c.d.s. and fine strikes of the boxed "I.P.O." tieprint, Hong Kong and arrival c.d.s. below, fine and an early postcard