SSD Grading — Professional Card Authentication

PROFESSIONAL GRADING

Professional sports & trading card authentication on a 400-point scale

400-Point Grading Scale

SSD FL

FLAWLESS

SSD 10

Gem Mint

SSD 9

Mint

SSD 8

Near Mint

SSD 7

Excellent

SSD 5–6

Very Good

SSD 1–4

Fair / Good

THE HOLY WHALE · GRAIL

A perfect 10 across all four sub-grades earns the golden Holy Whale label — the ultimate grail for a flawless card.

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

Free to start · 400-point analysis · 100% on-device

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