Bi Disk Brown and Green Jade (45874)
brown and green jade, Liangzhu Culture (3400 – 2200 BCE) | h18 w18 d0.5″
The bi is a circular ancient Chinese jade artifact. The earliest bi were produced in the Neolithic period by the Liangzhu culture (3400-2250 BC). Later examples date from the Shang, Zhou, and Han dynasties. They were also made in glass.