Expert grading and authentication of coins, cards, stamps, and artifacts —
trusted by collectors and dealers worldwide.
At Xcellence Certification Lab, we specialize in the grading, authentication, and valuation of rare and collectible items, helping collectors, investors, and enthusiasts protect and preserve their most prized possessions
At Xcellence Certification Lab, our coin grading and authentication services provide a meticulous assessment of your coins’ condition, authenticity, and historical value.
The Gathering, or sports trading cards, our TCG grading service delivers precision and trust. We inspect centering, edges, corners, and surface under magnification to determine the most accurate grade.
We evaluate centering, color, gum condition, perforation, and potential restoration. Trust Xcellence Certification Lab to authenticate your stamps with accuracy and care, ensuring they retain their historic and monetary value.
At Xcellence Certification Lab, we understand that your collectibles are more than just items—they're investments, heirlooms, and pieces of history.
Our team includes seasoned professionals with deep knowledge in numismatics, philately, trading cards, and historical artifacts. Every item is evaluated by specialists who understand its unique value.
We follow strict, transparent grading criteria to ensure consistency and credibility across all submissions—giving your collectibles the recognition they deserve.
We use high-precision tools and authentication systems to deliver accurate results, minimizing human error and maximizing trust.
From coins and TCG cards to rare stamps and cultural artifacts, we’re your all-in-one destination for grading, authentication, and appraisals.
Have a question or ready to submit your collectibles for grading or authentication? We’re here to help every step of the way.
At Xcellence Certification Lab, we are committed to preserving the integrity, value, and authenticity of the world’s most treasured collectibles.
contact@xclgrading.com
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