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Castlestrange Stone

By : JohnMcCarthy

This mysterious stone is located in the grounds of Castlestrange House in County Roscommon, Ireland. It is a granite boulder decorated with flowing spirals in the La Tène style, dating from the Iron Age period between 500 BC and 100 AD. It is one of only three known examples of its type and archaeologists do not know what its purpose was http://en.wikipedia.org/wiki/Castlestrange_stone