Last verified: 2026-10-24
CGC Signature Series at Conventions
CGC Signature Series appears at selected US comic and horror conventions for on-site witnessing or mail-in authentication after events. Behind the Table maps which shows use CGC Signature Series and how each program is run at the table.
Witnessed signatures on graded comics and related collectibles at select events.
Official site: https://www.cgccomics.com
Which conventions use CGC Signature Series on-site—and how fees are handled at the table—is mapped in Behind the Table.