Warring States Period Elaborately inlaid with shallow gold and silver sheet on the upper face, the design cast as two deeply-entwined back-to-back mythical birds with curling plumage principally highlighted in silver sheet, the crested heads turning away from each other to the sides at the upper end of the plaque, beneath the hook formed as an animal head inlaid with two gold eyes, the underside with a large stud, fitted box. 10.5cm (4in) long. (2).