CGC® is excited to be accepting submissions of comics and cards at the Collectors Showcase at the National Hall at Olympia London, in London, on November 21-22, 2026. NGC® and PMG® will also be accepting submissions of numismatic collectibles at the show.
About Collectors Showcase
The Collectors Showcase brings together collectors, dealers, and enthusiasts for a two-day celebration of the collectibles hobby. Organized by UK Card Shows, the event will feature hundreds of vendors. Attendees will have opportunities to discover rare finds and connect with fellow collectors. Collectors Showcase offers an opportunity to experience the energy of the collecting community at one of London's premier exhibition venues.
Preparing CGC submissions for the show
CGC will be accepting submissions of comics, magazines, TCGs, sports cards, and non-sports card collectibles for authentication and grading. Why wait in line with your submission? Submit your prepared collectibles through the Express Drop-off Service and quickly hand off your collectibles to a representative. Simply take the following steps before arriving:
Create a CGC account here. All it takes is a free account to submit, and paid members get additional discounts and benefits.
Go to the online submission form for comics or cards, depending on the collectible(s) you’re submitting.
Complete the submission form and print the packing slips.
Important:To ensure that your submission process stays on schedule, please place your collectibles in the order listed on the packing slip. Please bring BOTH copies of the packing slip with your collectibles to the show drop-off. Failure to do so will result in delays.
Keep your collectibles safe and secure until you drop off your submission (including the packing slip) with a representative.
Go to the Express Drop-off sign to finalize your submission.
All submissions will be transported to CGC’s headquarters in Sarasota, Florida, for authentication, grading, and encapsulation. For all CGC services and fees, go here for comics and here for cards.
Need more info about CGC?
If you have questions, contact Service@CGCgrading.com or call, text, or WhatsApp (+1) 855-GRADE10 (855-472-3310).
Preparing NGC and PMG submissions for the show
Paid CGC Members also have submission privileges to NGC and PMG.
To learn how to submit to NGC, click here. To email NGC Customer Service, click here.
To learn how to submit to PMG, click here. To email PMG Customer Service, click here.
About CGC
Since revolutionizing comic book grading in 2000, CGC has grown to include certification services for a vast variety of pop culture collectibles, including trading card games (TCGs), sports cards, magazines, video games, and home media. CGC also offers seamless solutions for autograph collectors with CGC Signature Series and JSA Authentic Autograph services. If you collect it, we grade and protect it.
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.