PROFESSIONAL GRADING
Professional sports & trading card authentication on a 400-point scale
400-Point Grading Scale
SSD 10
Gem Mint
SSD 9
Mint
SSD 8
Near Mint
SSD 7
Excellent
SSD 5–6
Very Good
SSD 1–4
Fair / Good
What We Examine
⊞
Centering
Front & back L/R and T/B border ratios measured to ±1%
100 pts
◤
Corners
All four corners inspected for fraying, wear, and rollover
100 pts
▭
Edges
Four edges scanned for nicks, chips, and surface roughness
100 pts
⊡
Surface
Front & back analyzed for scratches, stains, and print defects
100 pts
📷Camera capture with real-time alignment guides
🔬Canvas-based computer vision analysis
✏️Manual score override for each sub-category
📄4-page annotated PDF report with issue circles
📱Mobile-first PWA — works offline after first load
Create Your Free Account
Free to start · 400-point analysis · 100% on-device
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