It was unearthed in Fu Hao's tomb in Yinxu, Henan, from 19 to 16 years ago, about 3500 years ago.
After processing, one side of the natural shell coin has a groove shape. Shell coins are bright and beautiful, small and exquisite, durable and easy to carry.
This kind of sea currency is mainly produced in China's East China Sea and South China Sea, which reflects the commercial exchanges in Shang Dynasty.
China is one of the earliest countries to use money in the world, with a history of 5,000 years.
In the currency of the pre-Qin period, various vassal States implemented different monetary systems: different shapes of knife coins, cloth coins and ring coins were used in different regions. After the Qin Dynasty unified China, the main form of China's currency was to circle money.
In the Northern Song Dynasty, Jiaozi, the earliest paper money in the world, appeared. ?
References:
Changping science popularization network? The origin of money