Of circular form, the cover carved to the center with a roundel enclosing archaistic pattern surrounded by key-fret pattern, the outer carved with alternating ruyi-head and scrolled geometric pattern, the stone is of even white tone, the base incised with six character mark surrounded by archaistic mythical beast pattern.

Height: 1/2 in (1.3 cm) Diameter: 3 3/8 in (8.6 cm)