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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.
Although the ancient Egyptians did not use coinage until the Late period, they did use a type of money-barter system, with standard sacks of grain and the deben, a weight of roughly 91 grams (3 oz) of copper or silver, forming a common denominator.