Lot 72. Platinum, moonstone and sapphire brooch, Tiffany & Co., Designed by Louis Comfort Tiffany, circa 1915. Estimate $15,000–20,000. Photo: Sotheby's.

The elongated design set with three oval-shaped cabochon moonstones, accented by four smaller round cabochon moonstones, accented by round and French-cut sapphires, signed Tiffany & Co.; circa 1915.

Sotheby's. Magnificent Jewels Including the Legendary Stotesbury Emerald, New York, 25 Apr 2017, 10:00 AM