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JSA and CGC Services

JSA Authentication

JSA Authentication

JSA card and sticker

GalaxyCon is proud to offer JSA Authentication as an add-on for all autographs purchased. To add JSA Authentication to your autograph just click the Add JSA Authentication box at checkout.

JSA is the world’s leader in autograph authentication. Their exemplar database of nearly 700,000 files is used by autograph authenticators to accurately assess the thousands of autographs submitted daily. JSA experts also regularly visit auction houses, attend trade shows/conventions and constantly research the veracity of autographs of sports figures, celebrities, entertainers, politicians and historical figures.

For more information on JSA Authentication visit

Unless otherwise noted, JSA Authentication is an additional $10 fee and is available to add to your order at checkout.

CGC services provided thru ONE STOP COMIC SHOP

CGC Authenticated Invader Zim

GalaxyCon has partnered with ONE STOP COMIC SHOP to facilitate CGC services. Certified Guaranty Company® (CGC®) revolutionized the comic book marketplace when it was founded in 2000 by providing clear, objective, and impartial assessments of authenticity and grade. Together, GalaxyCon and One Stop Comic Shop offer fans the following services.

CGC Logo
One Stop Comic Shop Logo
    • Your comic book will be graded and the autograph will be certified by CGC. The comic book will be sealed in an archival CGC comic book holder.
  • CRACK THE SLAB: $10 per comic
    • One Stop Comic Shop will remove a previously graded comic book from a CGC holder to have autographed. Please Note: If you are sending in an already graded book to crack, we cannot guarantee the book will return in the same grade. Your book will be handled with extreme care, but grade changes are possible. If any damage is noticed prior to cracking, you will be contacted directly prior to the book being opened.
  • PRESSING SERVICE thru CCS: $45 per comic
    • Classic Collectible Services (CCS) is CGC’s in-house pressing service, and is the world's leading comic book pressing, restoration and restoration removal company. Please Note: This process will add approximately 3-4 months to the shipping time
JSA Sticker and Card
JSA Sticker and Card - Before
JSA Sticker and Card - After
  • Shipping Costs
    • The cost for transporting your comics to the CGC and back to us for fulfillment is included in the shipping costs noted on our site, so there are no additional shipping cost.

For all questions about our JSA and/or CGC services, please contact our customer service team at