Dimensions: Dia: 5-7/8" Chinese Qing Dynasty Period, Jade bi disc coin. Carved into a disk shaped plaque, pierced to the center, with attractive variegated creme, white, and reddish-brown jade circular panel of finely carved disc shaped plaque. The Nephrite Jade has a lustrous tone, with pale-celadon beautiful nature of sporadic inclusions and attractive sporadic golden russet inclusions, exquisite and detail, the jade stone have clean tone, with pale-celadon iridescent and moist milky appearance.