But we all recognize it when we see it, whether in the surface of coins, notes or cheques. It is difficult to imagine that people managed without money. in the earliest periods of human history, people used to exchange things they had of for things that they were in need of. For example, they might offer food for tools. This method of exchange, which is known as "barter", has many inconvenient. Certain goods may be difficult to carry, they may not be long, or may be impossible to divide into smaller units. It can also be difficult to know the worth of something compare with other goods.According to historians the first money, in the sense we understand it today, consisted of coins produced about 2,500 years ago.
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