Of circular shape carved in low relief with lotus, ducks, fish, and "water-horse", the fish and water-horse issuing scroll clouds with pavilions and a fish in sphere respectively, band of lotus petals to shoulder and sides of cover; the finial in the form of three openwork beast heads, one with a suspended ring, topped by a standing Chinese lion, all raised on three cabriole legs, the stone of a smoky grey color with whiter inclusions.