Independent Review
Blind grader opinions recorded before final verification.
INDEPENDENT COIN GRADING & AUTHENTICATION
Confidence,
made visible.
Criterion pairs disciplined authentication, independent grading review, and a transparent certification record, giving collectors and dealers evidence they can act on.
Documented Evidence
Authentication and certification details built into every record.
Public Verification
Clear holder status, imagery, provenance, and grade information.
CHOOSE YOUR PATH
One clear next step.
Start with what you need today. Every path returns to the same documented Criterion record.
CERTIFY A COIN
Raw Coin Certification
Compare the complete authentication and grading service, then prepare each line item before intake.
Review CertificationCROSS OVER A HOLDER
Crossover Evaluation
Set a minimum acceptable result, preserve prior-holder evidence, and review the current crossover terms.
Review CrossoverCHECK A RECORD
Public Verification
Look up a certification before a purchase or trade and compare the public record with the holder in hand.
Verify a CertificationCERTIFICATION LOOKUP
Verify with Confidence.
Enter the 10-character Criterion number from the holder: CR plus eight digits. You may type it with or without the hyphen, for example CR01234567 or CR-01234567. A registry match confirms the public record; live NFC authentication is a separate physical-holder check when available.
Understand Verification LevelsOUR SERVICES
Clarity at Every Stage.
Purpose-built services for collectors and dealers who want the grade and the evidence supporting it.
Authentication & Grading
A disciplined certification path built around authentication evidence, independent grader opinions, and qualified final review.
Learn moreCrossover Evaluation
Submit eligible coins in another service’s holder for Criterion evaluation under clearly stated crossover instructions.
Learn moreImaging & Evidence
Professional record imagery and selected test results preserve the evidence that supports each public certification.
Learn moreTHE CRITERION STANDARD
A Grade Should Never Stand Alone.
Every Criterion record is designed to connect the object, the professional opinions, and the evidence package. Selected authentication methods, qualification information, imagery, and certification status remain available in one clear public view.
DISCOVER OUR STANDARDHOW IT WORKS
From arrival to verified record.
- 01
Receive
Submission intake, identity controls, and initial imaging.
- 02
Authenticate
Physical, compositional, and diagnostic evidence is assessed.
- 03
Grade
Two independent graders record opinions without seeing one another’s result.
- 04
Verify
A qualified final reviewer confirms the full certification package.
POPULATION REPORT
Context for every certified coin.
Explore Criterion-certified issues by date, mint, denomination, grade, and qualification as the certified population grows.
Explore Population Data- Search By
- Issue & Variety
- Compare
- Grade Populations
- Review
- Qualified Records
PRECIOUS METALS MARKET
Live Market Reference
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Market data is provided by TradingView using the identified quote provider. Availability and delay depend on market status and the provider. Quotes are informational references only, may differ from physical-metal dealer prices, and are not an offer to buy or sell.