Certified Collectibles Group, the specialist in authenticating and grading collectibles, agreed to acquire James Spence Authentication, an autograph authentication provider. Financial terms were not disclosed. “CCG and JSA are the perfect match, with a shared passion for collectibles along with an unwavering commitment to expertise and integrity. I could not be more pleased with the addition of JSA and the Spences to the CCG family, and I think collectors will love the simplicity and scope of our combined services,” Steven R. Eichenbaum, Certified Collectibles Group CEO.