A brooch of royal provenance that once belonged to Empress Eugenie of France will be auctioned at Christie's Geneva on 11 November 2014 as part of its Magnificent Jewels sale (estimate: $2-3 million).

A brooch of royal provenance that once belonged to Empress Eugenie of France will be auctioned at Christie's Geneva on 11 November 2014 as part of its Magnificent Jewels sale (estimate: $2-3 million).