Han DynastyThe central knob rising from a quatrefoil motif within a square cast in high relief with twelve nipples separating the characters of an inscription, the outer field with 'TLV' pattern, eight nipples and various celestial animals including the Black Turtle, a dragon holding the sun disc enclosing a bird, a tiger holding the moon enclosing a toad, a phoenix, various other birds, and Daoist immortals, within narrow bands enclosing an inscription and hatchured lines, all below a dogtooth band and a band of clouds, with blackish patinaDiameter 14.2cm Think 0.5cmProvenance: from Private English collection, Hampshire