gold and silver coins as currency
In order to facilitate the direct exchange for goods, they used more gold and silver coins as currency. They first had to weigh each piece to determine the value of what was in gold dust or granules are relatively difficult. In the 6th Century BC the Lydian King Croesus was the first gold coins of uniform size and uniform value in Asia Minor bear dies, the same time – also represented a certain standard of quality for the precious metal – along with a propaganda function. The first silver coins were, however, previously used around 620 BC. The early gold oz and silver coins, to which was the original form of bars visible, were the first coins Kurant. The emergence of the gold and silver coins Kurant can be time on the physical “forms of money” track like gold dust, granules, unembossed (small) bars, embossed (ie, with a trade-marked) bars to the now standard round coin form .
In the various human cultures took these external shape changes of the coin-money claim in different eras, such as in Indochina was even until the beginning of the 20th Century from weighed gold and silver dust paid. The freshly minted coin gold had a firmly defined weight. Fraudsters were building on the edge from a small amount of gold dust and enriched in this way. The coin was in any filing off getting easier and less valuable. Therefore, the edge of corrugation was introduced, were filing off that same recognizable.