A BRONZE 'TLV' CIRCULAR MIRROR cast around the central pierced knop with a shallow-relief field comprising an inner square framing the characters of the 'Twelve Celestial Branches', the Chines Zodiac Signs, dividing conical studs surrounded by a frieze of mythical beasts, birds, the Spirits of the Four Directions, and TLV motifs within a sawtooth border and an outer border of abstracted charging animals, the reverse with malachite encrustaceon over the bright silver finish, Tang Dynasty