Mirror with Pattern of Bohdiharma (Song Dynasty)

Unearthed from Xi'an, Shaanxi Province. The mirror is in the octagonal shape with round knob and plain edge. On the right side of the knob, Bohdiharma is crossing the sea while on the left there are some sea wave and Buddhist-like buildings. The story is according to the Bohdiharma who came to China in the Chinese Song Dynasty.