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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.
Athenian Owls, thick, heavy, high-relief silver coins minted more than 2,000 years ago, were arguably the most influential of all coins, and the Classical Owl tetradrachm, pictured above, is the most widely recognized ancient coin among the general public today. Owls were the first widely used international coin.