For the first and probably only time ever, New Yorkers will have the opportunity to see, handle and even try on some of Marie Antoinette’s jewelry, including a ring that contains a lock of the queen’s hair and a necklace with 331 pearls and a diamond clasp, which have never been displayed in the United States.

“I can’t imagine more important pieces coming to auction unless something from Queen Elizabeth I became available, and that’s not going to happen,” said Frank Everett, sales director of Sotheby’s Luxury and Lifestyle Division. “I don’t know what will ever match it again. I might have to retire.”