CCG and CGC Comics Statement on Holder Tampering Incident The Certified Collectibles Group (CCG), which includes Certified Guaranty Company (CGC), is aware of an incident involving an individual tampering with CGC Comics holders. Based on our initial review, we believe that the incident affects a few hundred comic books. CCG exists to protect the collecting community, and in the last 36 years we have certified more than 85 million collectibles, each one backed by a comprehensive guaran