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Image Source. The most disturbing of the ancient currencies may be dolphin teeth, which were used in the Solomon Islands for hundreds of years, in keeping with timeworn traditions. In 2008 the islandâs dollar currency became devalued.
By Kallie Szczepanski. The earliest known form of money is a cast copper coin from the 11th century BCE, which was found in a Shang Dynasty tomb in China. Metal coins, whether made from copper, silver, gold, or other metals, have been used across the globe as units of trade and value.