PSA
The volume leader and most liquid market. Whole-number scale to 10, no sub-grades on the label.
Collector education
Grade is the single largest driver of a modern card's value. Here's how the scales work and what to look for before you buy.
The volume leader and most liquid market. Whole-number scale to 10, no sub-grades on the label.
Four sub-grades (centering, corners, edges, surface) plus half-point tiers and the coveted Black Label 10.
Fast-growing grader with detailed sub-grades and strong reputation on modern refractors and autos.
We check each certificate against the grader's public registry on intake and re-scan before dispatch, so the label on the slab always matches the listing.
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