A rare nine-piece jewelry set once belonging to Stephanie de Beauharnais, Grand Duchess of Baden and the adoptive daughter of Napoléon Bonaparte, is going up for auction 200 years after the French emperor’s death.

A rare nine-piece jewelry set once belonging to Stephanie de Beauharnais, Grand Duchess of Baden and the adoptive daughter of Napoléon Bonaparte, is going up for auction 200 years after the French emperor’s death.