Cassandra Hatton, senior vice president, global head of department, Science & Popular Culture at Sotheby's, touches the tooth of a Tyrannosaurus rex skull excavated from Harding County, South Dakota, in 2020-2021, in New York City on Friday, Nov. 4, 2022. When auctioned in December, the auction house expects the dinosaur skull to sell for $15 to $25 million. (AP Photo/Ted Shaffrey)
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