The circular disc is carved on both sides around the central aperture with a field of raised nodes within inner and outer raised borders. It is surmounted to the top with a well-carved two beasts: the stone is of a milky white tone with some minor darker inclusions. In good conditions, minor wears on the surface.18 cm high, 10,2 cm wideA JADE DISC BI, CHINA, MING DYNASTY OR LATERProvenance: from the private collection of a gentleman in Rome and thence by descent