Jay-Z might be the new go-to source for all things authenticated in the collectibles space. According to Business Insider, the music and business mogul’s Roc Nation company has just invested in the transaction of Blackstone’s acquisition of the Certified Collectibles Group (CCG) — a company that authenticates collectible items such as comic books, magazines, trading cards and other items — which now values the company at more than $500 million. The outlet reports that CCG estimates it has certified over 62 million of its collectibles, with a combined fair market value reaching roughly $50 billion. Blackstone — which Bloomberg describes as the world’s largest alternative investment firm — also reports that its shares were up 0.3 percent last Friday (July 2) and now hopes to “develop CCG’s digital presence, add employees, and branch CCG’s geographic reach.” In addition to Roc Nation, other investors in the acquisition include but are not limited to Fanatics founder and executive...