Sword of Goujian

The Sword of Goujian (Traditional Chinese: 越王勾踐劍, Simplified Chinese: 越王勾践剑) is an archaeological artifact of the Spring and Autumn period (771 to 403BC) found in 1965 in Hubei, China. Forged of copper and tin, it is renowned for its unusual sharpness and resistance to tarnish rarely seen in artifacts so old. This historical artifact of ancient China is currently in the possession of the Hubei Provincial Museum.