Shawn Carter, Jay-Z, Billionaire H-to-the-O-V—however you call the Brooklyn-born soon-to-be Rock Hall of Famer—make sure you don’t call collect. In a news brief by Markets Insider, Jay’s Roc Nation has partnered up with Blackstone to acquire a majority stake in the Certified Collectibles Group. The transaction values the company at more than $500 million. The…