cover NINGPO: 1889 (27 Apr.) "Maus" newspaper wrapper addressed to Germany bearing "I.C.P." ½c. and 1c. with "C.I.P." ½c. tied by Ningpo dollar chop with Hong Kong 2c. carmine cancelled by a fine strike of the "I.P.O." tieprint and Shanghai c.d.s. with the Shanghai bilingual c.d.s. on reverse, attractive. Photo