1901 : Registered combination cover from Hankow to Scotland franked by China Coiling Dragon 10 c. green pair tied by " Hankow " cds, with Hong Kong 20c. on 30c. grey-green (SG 48a) tied by Shanghai cds. Reverse with Shanghai cds (May 18) and Dalkeith arrival cds., a fine fresh cover, a bit roughly opened on the right