Global Card Certification
Pre-Grade Like a Pro. Sell Like It's Already a 10.
The GCC Black Gem Pre-Grade™ identifies cards that project at GEM MINT level—before you spend on grading.
Why Black Gem?
What Makes It Different
The Black Gem is not a guess—it's a professional evaluation backed by experience.
Each sticker is:
Black Gem Pricing
Proof You Can Trust
With over 20 years of grading and consulting experience, Director Alan Kelly delivers a 95% success rate on pre-graded outcomes.
Fewer surprises
More accurate submissions
Stronger resale results
How It Works
Submit your cards
We screen for Black Gem eligibility
Only qualifying cards receive the sticker
Sell confidently or submit for grading
Stop Guessing. Start Knowing.
Submit Your Cards Today
Featured: Lamine Yamal Rookie Card
This rookie card showcases our Gold Sticker certification for high-grade sports cards. Our authentication process ensures authenticity and enhances collector confidence.
GCC - Global Card Certification
Sports Card Sticker
Professional Expertise You Can Trust
Alan Kelly is a lifelong sports card enthusiast and industry expert with more than 40 years of experience. Over the course of his career, he has played a pivotal role in the buying and selling of thousands of cards, earning a reputation for his ability to connect with collectors and provide trustworthy guidance.
Alan has worked professionally with leading experts at Certified Collectibles Group, where he served as a grader and contributed to developmental projects that helped shape grading standards and the industry.
Professional Background
- 40+ years of sports card experience and expertise
- Professional grader at Certified Collectibles Group
- Contributed to developmental projects shaping grading standards
- Expertise spans pre-rookie minor league to modern pack hits
- Exceptional ability to connect with collectors on personal level
- Unmatched attention to detail in condition assessment
- Dedication to consistency and collector satisfaction
Our Sticker System
Three distinct certification levels based on grade and rarity
Gold Sticker
Reserved for cards grading 7 and above, representing exceptional quality and condition.
Green Sticker
For cards grading 4, 5, and 6, offering reliable certification for mid-grade collectibles.
Silver Sticker
For cards grading 1, 2, and 3, providing trusted certification for lower-grade collectibles.
Flexible Pricing Options
Choose the service level that fits your needs and budget
Bulk Pricing
Perfect for large collections and dealers
Regular Pricing
Flexible options for any collection size
Our Three Pillars
The foundation of our card certification philosophy
Trusted
Built on decades of experience and industry relationships. Our reputation speaks for itself in the collectibles community.
Verified
Every card undergoes rigorous authentication using advanced techniques and industry-standard verification processes.
Market-Ready
Our certification enhances marketability and buyer confidence, making your cards easier to sell and more valuable.
How Our Process Works
Watch our expert explain the card certification process
Ready to Certify Your Sports Cards?
Submit your sports cards for professional authentication and sticker certification
Submit Sports Cards Now