The tiger Shang Dynasty, the bird Western Zhou DynastyThe crouching tiger carved from a thick section of jade with distinctly incised details of eyes, ears, limbs and tail in low-relief, 3.9cm (1 1/2in) long; the small bird carved in three sections with the top indicating the head, the middle part as the body and the tapering section with a flared end as the tail, 2.5cm (1in) long; both of pale green tone with areas of opaque buff alterations, the bird with traces of cinnabar. (2).