Detail of emerald tiara circa 1900 coming up for sale at Sotheby's Geneva May 17 Auction, from the collection of Princess Katharina Henckel von Donnersmarck
Detail of emerald tiara circa 1900 coming up for sale at Sotheby's Geneva May 17 Auction, from the collection of Princess Katharina Henckel von Donnersmarck
Detail of emerald tiara circa 1900 coming up for sale at Sotheby's Geneva May 17 Auction, from the collection of Princess Katharina Henckel von Donnersmarck
