77 million-year-old Gorgosaurus skeleton fossil up for auction | Courtesy of Sotheby's 77 Million-Year-Old Dinosaur Skeleton Goes Up For Auction on the Upper East Side by Upper East Site Staff July 5, 2022, 3:51 pm Comments Off on 77 Million-Year-Old Dinosaur Skeleton Goes Up For Auction on the Upper East Side ADVERTISEMENT • REMOVE ADS For the first time ever, a 77 million-year-old fossilized skeleton of a dinosaur related to the fearsome T. Rex will go up for auction— and it’s all happening right here on the Upper East Side. Sotheby’s announced Tuesday that the ten-foot-tallAlready a subscriber? Log in here. Continue reading with an Upper East Site subscription. Read More ADVERTISEMENT • REMOVE ADS ADVERTISEMENT • REMOVE ADS ADVERTISEMENT • REMOVE ADS ADVERTISEMENT • REMOVE ADS ADVERTISEMENT • REMOVE ADS ADVERTISEMENT • REMOVE ADS