KNIFE MONEY of CHINA ISSUED approximately 400 to 200 B.C.E.
Although the exact date when the Chou Dynasty was established is vague, none the less the Chous were in full power by the 9th Century B.C.E.
With the added dynastic economic growth a need for money outside of a mere barter system began to develop. The early coins were fashioned to look like the ancient barter instruments of the community
Here is an ancient knife shaped object about 5 inches long each bearing a hole for easy handling in quantity.
These are from the City of Ming in the State of Chao.