A CHINESE PALE CELADON AND RUSSET JADE BI DISC AND A SCABBARD MING DYNASTY The disc carved in relief with two chilong clambering around the central aperture, the reverse with nodes, the scabbard decorated with a sinuous chilong with its head turned over its back, the stones with darker striations and markings, 7cm and 10.7cm. (2) Provenance: a private collection, London, the scabbard purchased from Bonhams London, 26th February, 2008, lot 162.