EEmerald tiara circa 1900 coming up for sale at Sotheby's Geneva May 17 Auction, from the collection of Princess Katharina Henckel von Donnersmarck and one of the most important tiaras to come to auction in 30 years. The emeralds are Columbian a...

EEmerald tiara circa 1900 coming up for sale at Sotheby's Geneva May 17 Auction, from the collection of Princess Katharina Henckel von Donnersmarck and one of the most important tiaras to come to auction in 30 years. The emeralds are Columbian and possibly from the French Imperial Jewels.

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