Diamond brooch once owned by Marie Antoinette is held by employee of Sotheby's during press preview ahead...
A diamond brooch from the late 18th century once owned by Marie Antoinette is held by an employee of Sotheby's during a press preview ahead of the upcoming auction "Royal jewels from the Bourbon Parma Family" at Sotheby's in New York City, New York, U.S., October 12, 2018. REUTERS/Mike Segar