The sale of “Vulcain” – the giant skeleton of an American dinosaur currently on display outside of Paris – is set to be the fossil sale of the century. French auction houses Collin du Bocage and Barbarossa, who will handle the sale of the largest dinosaur skeleton ever to come to auction, have announced that pre-sale estimates have more than tripled its original estimate to $11-$22 million/€10-€20 million since pre-registration bidding opened in July with...