Joséphine de Beauharnais is remembered as Napoléon Bonaparte’s wife and the one who convinced him to reinstate slavery in the French colonies after it was first abolished in 1794.... Her name is now back in the news cycle thanks to an upcoming auction at Sotheby’s London. After being owned in a private UK collection for more than 150 years, two tiaras that Sotheby’s recognized as part of the Empress’ possessions will be up for auction on December 7.“ When the family came to us with these tiaras