PSA Grade Scores Explained: What 7, 8, 9, and 10 Actually Mean

PSA grades cards on a 1–10 scale, but most collector decisions live in a much narrower range. For cards worth submitting, you’re almost always hoping for a 9 or 10 — and the difference between those two grades can be a couple hundred dollars on the right card.

Here’s what PSA actually evaluates, and what separates each grade.

The four things PSA looks at

Every PSA grade comes from four sub-scores:

Centering — The ratio of border width from left to right, and top to bottom. PSA’s threshold for a 10 is 55/45 or better on both axes. A 60/40 centering can push you down to an 8 or lower depending on how visible it is. Centering is one of the few things you can actually measure yourself before submitting — a ruler and a bit of patience tells you a lot.

Corners — Fraying, whitening, or rounding at each of the four corners. PSA graders look at these under magnification. What looks like a sharp corner in your hand can have micro-fraying that’s apparent up close.

Edges — Nicking, chipping, or roughness along the four edges. Edge damage usually comes from cards sitting unsleaved, from binder friction, or from sloppy pack-opening. Check edges by holding the card at a 45-degree angle under a direct light source.

Surface — Scratches, print lines, loss of gloss, and on holo cards, foil damage. Surface is the most subjective of the four, because scratches show differently depending on lighting. Cards that look clean in hand can have surface scratches that only appear when you tilt them under a lamp.

One important thing: PSA doesn’t average these sub-scores. The weakest one limits your ceiling. A card with three perfect sub-scores and one problem area will grade to whatever the problem area allows.

PSA 10 — Gem Mint

Essentially perfect. Sharp corners, clean edges, no visible scratches, centering 55/45 or better.

PSA 10s aren’t all identical — some are barely-there imperfections that PSA judged acceptable, some are truly flawless. But all of them passed a very strict inspection. The PSA 10 rate on modern cards typically runs somewhere between 20–50%, depending on the set’s print quality.

On vintage cards, PSA 10s are rare enough that they’re a different product entirely. They trade at multiples of what any other grade fetches.

PSA 9 — Mint

One or two minor imperfections — slight corner wear, a small edge nick, surface scratches only visible at a certain angle, or centering that’s close but doesn’t quite hit 55/45.

For most modern cards, a PSA 9 is an excellent result. The premium over raw Near Mint is real, and a 9 is significantly easier to sell than a raw card of the same quality because buyers know exactly what they’re getting.

PSA 8 — Near Mint / Mint

Three or four moderate imperfections, or one more significant issue. A corner with visible fraying, edges with nicking on more than one side, centering that’s clearly off-center.

The PSA 8 carries a smaller premium over raw NM than most people hope for. On most cards, the economics of grading don’t work well at this level — you paid the submission fee and got back something that might not recover the cost.

PSA 7 — Near Mint

Visible wear, but the card is still clearly well-preserved. Multiple corners with fraying, surface scratches in normal light, edges with consistent nicking.

A PSA 7 on most cards is worth less than a raw Near Mint copy. The slab costs money to crack if you want to remove it, and it signals that the card has issues.

The 9-to-10 gap is where most of the money is

The difference between a PSA 9 and a PSA 10 on a Scarlet & Violet Special Illustration Rare can be $150–300. On a vintage card, it can be thousands. And yet the visible difference between the two cards, to the naked eye, is often basically nothing.

PSA graders are working under magnification in controlled lighting. Scratches that are invisible in your hand show up clearly under 10x magnification and a raking light. Corners that look sharp have micro-fraying that’s apparent up close.

The practical implication: if you’re submitting a card hoping for a 10, be honest with yourself before you send it. Check the surface by tilting the card 45 degrees under a lamp. Look at the corners with a macro photo or a loupe. Measure the centering with a ruler. These three checks take two minutes and will catch most of the obvious cases where a card isn’t going to make it.

Checking before you submit

Scryda’s grading feature gives you an estimate before you decide whether to submit — it scores surface condition, centering, corners, and edges from your card photo. It won’t replicate what PSA does under controlled lighting, but it’ll flag the obvious cases: a centering issue you measured wrong, scratches visible in the photo that you missed in person.

The goal isn’t a perfect prediction. It’s avoiding the expensive mistake of submitting a PSA 8 and paying the submission fee to find out.