1899 CHINA REGISTERED to GERMANY, a 42½c China #98-104 franking on cover from Shanghai on MAY16-1899 and addressed to Leipzig-Germany, pays the 5c domestic letter rate + 10c domestic registration fee + 27.5c to pay the international postage, China was not in the UPU thus these stamps were invalid, the letter was considered UNPAID and was routed to the Shanghai British Post Office where a Hong-Kong #44 (pair) was add to pay the required 10c UPU rate + 10c registration fee, the letter was then routed via Hong-Kong on MAY 23rd + P&O Lines to Brindisi-Italy + train to Leipzig arriving on JUN 22nd, a rare pre-UPU China mail processing via two different China UPU Treaty Ports, VF est ($750+US) (Image)

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