I.P.O. Period
cover NINGPO: 1899 (21 Apr.) envelope addressed to Darmstadt bearing "C.I.P." 10c. tied by a fine strike of the Ningpo Dollar chop, left corner with Hong Kong 10c. cancelled by Shanghai c.d.s. and boxed "I.P.O." tieprint, reverse with Shanghai Dollar chop, Hong Kong and arrival c.d.s.; fine
Details
cover NINGPO: 1899 (21 Apr.) envelope addressed to Darmstadt bearing "C.I.P." 10c. tied by a fine strike of the Ningpo Dollar chop, left corner with Hong Kong 10c. cancelled by Shanghai c.d.s. and boxed "I.P.O." tieprint, reverse with Shanghai Dollar chop, Hong Kong and arrival c.d.s.; fine