A VERY RARE LARGE IMPERIAL BRONZE DRAGON CENSER China, Qianlong six-character seal mark and of the period B. 48,5 cm Of compressed globular form, on three wide tapering feet, the large seal mark in the center between them, with twin one-horned dragons grasping the rim, each displaying a large pearl held in their mouth. Weight: 15700 g From the collection of Gustav Detring (1842-1913) and Constantin von Hanneken (1854-1925), assembled in China in the late Qing dynasty Minor traces of age