1901 (22 Aug) Registered combination cover from Tientsin to Germany (Alsace) franked 1898 CIP 20c on obverse + 10c pair on reverse tied by blue Tientsin cds's, additionally franked on front Hongkong 20/CENTS on 30c + 10c blue tied by Hongkong C AU 27 cds's, red 'R' and black 'R' in circle alongside