What is CGC grading?
Everything You Need to Know About CGC Grading
Learn how CGC grading works, the different label types, what affects a comic's grade, and how KeyComix makes submitting your comics simple from start to finish.
What is CGC?
Certified Guaranty Company (CGC) is one of the world's most recognized third-party comic grading companies. Each comic is carefully examined, assigned a grade using a standardized 10-point scale, and sealed inside a protective holder to preserve its condition.
📖 Professional Grading
Every comic is evaluated using consistent grading standards trusted by collectors worldwide.
🛡️ Long-Term Protection
CGC holders help protect your comic from handling and environmental damage.
💰 Buyer Confidence
A professionally graded comic gives buyers confidence in its condition.
Why Grade Your Comics?
Increase Market Confidence
Grading provides an independent assessment collectors recognize.
Preserve Your Collection
Protect valuable books for decades.
Display with Pride
CGC holders are perfect for displaying key issues.
Understanding the CGC Grading Scale
CGC Label Types
🟦 Universal Label
For unsigned comics receiving a standard CGC grade.
🟨 Signature Series
For witnessed signatures through the CGC Signature Series program.
🟨 CGC x JSA Authentic Autograph
For eligible unwitnessed signatures authenticated by JSA before encapsulation.
How the Process Works
Frequently Asked Questions
Does grading increase value?
Not automatically. Grading provides an independent assessment of condition, while value depends on rarity and market demand.
Can I submit signed comics?
Yes. Depending on the signature, your comic may qualify for Signature Series or CGC x JSA Authentic Autograph.
What does KeyComix do?
We professionally coordinate your submission, paperwork, tracking, and communication with CGC.
Ready to Submit?
Choose the submission service that fits your comic and let KeyComix handle the rest.
Start Your Submission