Scientists have unveiled the world's first laboratory-grown leather handbag made of collagen sourced from Tyrannosaurus rex (T-rex) fossils found in US. The teal-coloured handbag will be displayed at Amsterdam's Art Zoo museum beneath the dinosaur's skeleton till May 11, following which it'll be auctioned. The starting bid for the auction will reportedly be 500,000 British pounds (about ₹6 crore).