Grading · PSA
Verify the grade. See the scarcity.
Enter a PSA certification number to confirm a slab is genuine, see exactly what PSA graded, and check the population — how many exist at that grade and how many are graded higher.
Why population matters
A grade only tells you the condition; the population report tells you the supply. A PSA 9 with thousands of copies graded higher is a different asset than a 9 where only a handful sit above it. Scarcity — of clean, high-grade copies — is what drives value, and it's exactly what pop data reveals.
Deciding whether to grade a raw card? Run the numbers in the grading ROI calculator, and check raw value first with free search.
Data live from the official PSA Public API. Foilio is not affiliated with PSA. Not financial advice.