beginner3 min read✅ Grading & Authentication
How do I verify an item's authenticity?
Cross-reference certification with grading companies.
Every item on Certifium is certified by a recognized grading authority. Here's how to verify:
Verification Steps: 1. Find the certification number on the item listing 2. Visit the grading company's website 3. Enter the cert number in their lookup tool 4. Compare details (grade, description, images)
**Grading Company Websites:**
- NGC: ngccoin.com/certlookup
- PCGS: pcgs.com/cert
- PSA: psacard.com/cert
- CGC: cgccomics.com/certlookup
**What to Verify:**
- Certification number matches
- Grade matches listing
- Description matches
- Images match (if available)
**Red Flags:**
- Cert number doesn't exist
- Grade doesn't match
- Description inconsistent
- Seller avoids verification questions
Certifium Verification: We verify all items before listing. Look for the "Verified" badge on listings.
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