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Graded-card guide

How to Verify a Graded Card Certification Number

Official lookup tools, matching labels, images and copied-number risk.

Graded cards combine a physical collectible, a third-party opinion, a holder and a market premium. Each part deserves separate verification.

1. Use official site

Use official site should be evaluated against the exact card, issue, grading company, grade, qualifier and holder generation. Use official verification and recent completed sales rather than relying on label familiarity alone.

2. Match description

Match description should be evaluated against the exact card, issue, grading company, grade, qualifier and holder generation. Use official verification and recent completed sales rather than relying on label familiarity alone.

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3. Match grade

Match grade should be evaluated against the exact card, issue, grading company, grade, qualifier and holder generation. Use official verification and recent completed sales rather than relying on label familiarity alone.

4. Compare images

Compare images should be evaluated against the exact card, issue, grading company, grade, qualifier and holder generation. Use official verification and recent completed sales rather than relying on label familiarity alone.

5. Inspect physical holder

Inspect physical holder should be evaluated against the exact card, issue, grading company, grade, qualifier and holder generation. Use official verification and recent completed sales rather than relying on label familiarity alone.

Verification rule: Never buy an expensive slab only because its certification number returns a valid result. Compare the physical item with the official record.

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A matching number does not verify the physical card

Fraudsters can copy real certification numbers onto counterfeit labels or holders. Treat the lookup as one independent check.

  1. Use the grading company’s official lookup: Enter the number yourself through the company website rather than trusting a seller-provided screenshot or shortened link.
  2. Match more than the number: Compare subject, set, grade, qualifiers, label format and any official images. Discrepancies require clarification.
  3. Look for physical mismatches: Examine holder seams, scratches near seals, altered insert edges, swapped labels or unusually poor card fit.

Compare the exact card, not a generic asking price

Escalate unclear cases to the grading company before paying a premium. A listing photo alone cannot authenticate a slab.

Marketplace research links are affiliate links. A slab label, seller listing, or high asking price is not proof of authenticity or value.