Jade bi disc with rush mat pattern, Southern Song to Yuan dynasties, 1127-1368 C.E.

Jade bi disc with rush mat pattern, Southern Song to Yuan dynamics, 1127-1368 C.E.

• Image Number: Material:Mineral/jade jewelry/jade
• Description:
  Jade wall, with yellow jade color, There are long ochre stains. The whole vessel is in the shape of a round wall with regular outer edges. It is carved on both sides in the shape of a milk ding, which is crossed by parallel lines in three different directions. (Do you want to write the ink mark a on one side?)