NGC Help Center
For answers to frequently asked questions about NGC grading, submissions, its website and more, scroll below. To contact NGC Customer Service,
click here.
Other Grading Topics
What is a "Crossover" and what grading companies qualify for this service?
Can a PCGS-holdered coin with a "set" pedigree (e.g. 25th Anniversary Set) be submitted for CrossOver to NGC?
If a coin is removed from an NGC holder, will it receive the same grade if it is resubmitted to NGC?
What do I do if I think my NGC-certified coin is overgraded?
What do I do if I think my NGC-certified coin is undergraded?
If I submit an NGC-certified coin to NGC, will it be removed from the NGC holder?
Why do NGC graders not wear gloves?
What if I submit a coin for both NCS conservation and an NGC ReGrade, but NCS declines to conserve the coin?
Still not finding an answer? Contact NGC Customer Service at (+1) 855-GRADE10 (855-472-3310) or service@NGCCoin.com.
Add Coin
Join NGC for free to add coins, track your collection and participate in the NGC Registry. Learn more >
The NGC Registry is not endorsed by or associated with PCGS or CAC. PCGS is a registered trademark of Collectors Universe, Inc. CAC is a trademark of Certified Acceptance Corporation.