1. Upload
Front, back, and optional detail photos.
From photos to clarity
How It Works
See what the AI finds, understand how your HOF Score is calculated, and make a more informed grading decision.
2. Inspect
AI vision models analyze observable card characteristics.
3. Score
The independent HOF engine applies four equal subgrade weights.
4. Decide
Review the report, confidence, and illustrative value scenarios.
How HOF Score works
Evidence-based scoring
The AI observes. The scoring engine calculates.
1Card upload
2Image processing
3AI vision analysis
4HOF scoring engine
5Defect detection
6Confidence calculation
7Report generation
Every detail counts
Observable defects, image quality, subgrades, confidence, and reviewer adjustments remain distinct data points. HOF Score uses an evidence-based, conservative methodology to evaluate those key data points and calculate the final score.