Trading card and collectibles grader Certified Collectibles Group is aiming to bolster its authentication process with the acquisition of James Spence Authentication, the company announced Wednesday.

The autograph authentication company that has certified more than 1,000 jerseys, photos, mini helmets and other items as bearing the valid signature of Florida State quarterback Jameis Winston ...

Another Jameis Winston story that doesn’t involve the game football? Yep, another Jameis Winston story that doesn’t involve the game of football. Lost amidst the ongoing saga that is the oft-delayed ...

When I found out James Spence Authentication was going to be set up at a show that I do as a dealer, I was ecstatic. The timing was impeccable. I had just purchased a collection which included a ...

An in-depth search of the verification page on the James Spence Authentication website reveals the company has authenticated more than 2,000 signatures by Florida State quarterback Jameis Winston, up ...