CGC and JSA Accepting Submissions at GalaxyCon Oklahoma City
Posted on 5/21/2026
CGC® is excited to be accepting submissions through Agents of Slabs at GalaxyCon Oklahoma City at the Oklahoma City Convention Center, in Oklahoma City, Oklahoma, on May 22-24, 2026. Representatives from JSA® will also be accepting autographed memorabilia submissions at the show, and offering on-site authentication!
About GalaxyCon
GalaxyCon is a touring pop culture convention that brings together fans of comics, anime, sci-fi, fantasy, and gaming for a high-energy weekend of celebrity guests, cosplay, panels, and collectibles. Known for its inclusive, fan-focused vibe, GalaxyCon hosts events in multiple US cities throughout the year, drawing attendees with its eclectic mix of voice actors, comic creators, wrestlers, and media stars.
JSA on-site services for autographed memorabilia
Submit autographed memorabilia for Basic Certification (COA), and items are processed and finalized the same day. Collectors can also submit items for the JSA Letter of Authenticity (LOA). These are observed the same day, with final documented results sent later by mail. Go to SpenceLOA.com/fees for submission pricing.
Drop off CGC submissions with Agents of Slabs
As an Authorized Facilitator, Agents of Slabs will be accepting all CGC submissions at their event booth.
Agents of Slabs is a trusted comic collectibles facilitator that specializes in handling CGC submissions for collectors, dealers, and convention attendees. The company streamlines the grading process by managing submission paperwork, witness services for CGC Signature Series books, convention drop-offs, and direct communication with CGC, helping collectors navigate grading with less hassle and greater confidence.
All submissions will be transported to CGC’s headquarters in Sarasota, Florida, for authentication, grading and encapsulation.
- To learn more about CGC services and fees for comics, click here.
- To learn more about CGC services and fees for cards, click here.
- To learn more about CGC services and fees for video games, click here.
- To learn more about CGC services and fees for home video, click here.
- To learn more about JSA services and fees for memorabilia, click here.
Need more info?
- Questions for CGC Comics should be sent to Service@CGCcomics.com.
- Questions for CGC Cards should be sent to Service@CGCcards.com.
- Questions for CGC Video Games should be sent to Service@CGCvideogames.com.
- Questions for CGC Home Video should be sent to Service@CGChomevideo.com.
- Questions for JSA memorabilia submissions should be sent to Info@SpenceLOA.com.
All CGC services can be reached at (+1) 855-GRADE10 (855-472-3310).
About CGC
Since revolutionizing comic book grading in 2000, CGC has grown to include certification services for a vast variety of pop culture collectibles. These divisions include CGC Cards, CGC Video Games, and CGC Home Video. CGC Cards provides expert card grading for sports cards, TCGs, and non-sports cards. CGC Video Games is dedicated to video game grading for the most popular consoles, including Nintendo, Sega, Atari, PlayStation, and more. CGC Home Video provides expert VHS grading in addition to other types of videocassettes, DVD, Blu-ray, and more. CGC also offers seamless solutions for autograph collectors with CGC Signature Series and JSA Authentic Autograph services.
CGC is part of the Certified Collectibles Group, a global provider of expert and impartial authentication, and grading services for collectibles. Since 1987, the Certified Collectibles Group companies have certified more than 110 million collectibles, including coins, banknotes, comic books, cards, autographs, and stamps.