Knife-shaped Coin of the Qi State

Warring States Period
Length: 13.7cm

Many of these knife-shaped coins are unearthed in Boshan, Shandong Province, therefore also called "Boshan Dao" (Dao means knife). Qi is the first state to cast knife-shaped coins during the Warring States Period, then Yan and Zhao States followed suite. Sometimes the end of the handle is a ring. Common inscriptions on them include "Qi Hua" and others.