Signing & authentication
CGC Signature Series
What they do
Witnessed signature authentication, grading and encapsulation for comics, magazines, posters and prints signed in front of a CGC representative or CGC Authorized Facilitator; runs In-House Private Signings at CGC HQ and Private Signings at shows; also offers CGC x JSA Authentic Autograph for unwitnessed signatures (CGC Signature Series)
- Mail-in / send-in
- Not offered as a general program — signatures must be witnessed; CGC may accept signed books directly from the signer or publisher only in select instances (Signature Series requirements)
- Authentication services
- Yes — witnessed authentication (yellow label) and JSA-verified CGC/JSA yellow label; COAs, testimonials, photos and video are not accepted as proof (Signature Series requirements)
- Business or partnership contact
- Service@CGCcomics.com; 1.855.GRADE.10; CGC headquarters Sarasota, Florida (Signature Series requirements, CGC Cards)