Zhou Dynasty bronze tao or knife money, China, East Shandong, Tsih-moh, 6th - 3rd century BC

Zhou Dynasty bronze tao or knife money, China, Shandong, Tsih-moh, 6th - 5th century BC

Chou Dynasty copper knife coin, China, 481 - 155 BC

Knife coin of copper alloy, inscribed ‘qifahua’, meaning legal money of Qi state, issued by the Qi state: China, Eastern Zhou dynasty (770–221 BC), 400–25 BC

Knife coin of copper alloy with quite straight tip, inscribed with ‘yi’ on the obverse, mint and also capital of Yan state: China, Eastern Zhou dynasty (770–221 BC), 400–220 BC