Jade Bi Disc, mid-Warring States period to mid-Western Han dynasty (375-74 BCE)

Jade Bi Disc, mid Warring States period to mid Western Han dynamics (375-74 BCE)

• Image Number:K1C003137N000000000PAC
Dynamy:Warring States period
• Category:Jade
• Function:Ritual
• Materials al:Mineral/jade jewelry/jade
• Description:
  Blue jade, It is dark brown and translucent locally. Round, with outline, narrow outline and slightly inclined surface; The middle hole and outer edge are neat; The surface is carved with grain patterns. The valley pattern is slightly small, and the vortex pattern on it is thick and hard, most of which are right-handed