1898 : Combination cover from Peking to Germany franked by China Dowager 2c. orange and 4c. brown pair tied by Peking Dollar Chops (July 6), transferred to British P.O. with reverse showing Shanghai Dollar Chop in black, franked by Hong Kong 10c. (SG 38) tied by Shanghai cds (July 12). Hong Kong transit and Worms arrival cds. Some aging but a scarce combination.