A royal jewel, 30 carat pearl brooch is set for auction at Christies in Geneva Switzerland on May 14th. The Ana Maria pearl was a gift of King Charles V of Spain to a noble family and where it remained for generations. Using cutting edge radiocarbon analysis, the Swiss Gemological Institute (SSEF) confirms the age of the pearl—something unheard of previously. The […]
16th Century Spanish Royal Jewel
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