Jade cicada-shaped tooth ring

[Jade cicada shaped tooth ring]

Jade cicada shaped tooth ring, Shang, outer diameter 10.5 cm, aperture 3.3 cm, thickness 0.4 cm
The jade ring is miscellaneous and generally white. Flaky, meat, good and equal diameter. There are three clockwise and equidistant cicada-shaped silhouettes on the outer edge. This ring is simple and clumsy in shape and simple in sabre technique. It is commonly known as Xuanji ring.