
The GCC Black Gem Pre-Grade™ identifies cards that project at GEM MINT level—before you spend on grading.
The Black Gem is not a guess—it's a professional evaluation backed by experience.
Each sticker is:
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
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

This card showcases our Gold Sticker certification for high-grade sports cards. Our authentication process ensures authenticity and enhances collector confidence.
Sports Card Sticker

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.
Three distinct certification levels based on grade and rarity
Reserved for cards grading 7 and above, representing exceptional quality and condition.
For cards grading 4, 5, and 6, offering reliable certification for mid-grade collectibles.
For cards grading 1, 2, and 3, providing trusted certification for lower-grade collectibles.
Choose the service level that fits your needs and budget
Limited Time: $5/card on all tiers through July 17!
Perfect for large collections and dealers
Flexible options for any collection size
Professional organization. Smart selection. Pre-grade ready.
Submit 100+ cards in any condition or packaging—boxes, binders, sleeves, or mixed collections—and GCC transforms your submission into a fully organized, documented, pre-grade ready inventory.
Cards with an estimated value of $25+ are identified, selected, and professionally prepared for grading.

Send Us This...
Cards in any format — boxes, binders, sleeves, or mixed collections

We Send You This.
Fully organized, documented, and pre-grade ready
Send in 100+ cards in any format. No sorting or preparation required.
We organize, sort, and structure your entire submission into a clean inventory system.
Cards valued at $25+ are selected for the Bulk Sort & Select program.
Each selected card is placed in a premium semi-rigid holder, sealed with a GCC Pre-Grade tamper seal, and assigned a unique serial number for tracking.
Every selected card includes full traceability:
Unique serial number assigned per card
Full digital inventory report provided
Serial numbers verifiable through the GCC Cert Lookup Tool
Your collection is returned:
To help ensure the best experience and clear expectations before sending your cards, please review the following:
Our goal is to provide valuable market insight, reduce uncertainty, and help identify the cards most worth grading—while keeping the process transparent, efficient, and worthwhile for every collector. Thank you for trusting GCC Grading.
Submit your collection as-is and receive a fully organized, pre-grade ready inventory built for grading, resale, or long-term storage.
Start Bulk Sort & Select SubmissionSave time. Save money. Upgrade your collection.
The foundation of our card certification philosophy
Built on decades of experience and industry relationships. Our reputation speaks for itself in the collectibles community.
Every card undergoes rigorous authentication using advanced techniques and industry-standard verification processes.
Our certification enhances marketability and buyer confidence, making your cards easier to sell and more valuable.
Submit your sports cards for professional authentication and sticker certification
Submit Sports Cards Now