Depending on the item, our review may include:
- Chain of custody documentation
- Relevant team, league, production, brand, artist, or organizational records, where available
- Serial numbers, tags, or manufacture markings
- Historical details and consistency
- Independent photo-matching reports
- Existing authentication or letters of provenance
- Supporting documentation
- Publicly available provenance
- Proprietary historical data
- Third-party expert reports and assessments.
- The item’s physical condition and identifying characteristics
Every item is evaluated against our current marketplace acceptance criteria. The evidence considered may vary based on the item and the claim being evaluated.