How to Spot an Altered, Trimmed, or Fake Graded Card
Trimmed edges, added color, fake slabs, and swapped cards all show up in real listings. Here's a practical checklist for checking a graded card before you buy, straight from what the grading companies themselves publish.
Why grading exists in the first place
Grading companies like PSA, BGS and SGC do two jobs, not one: they check that a card is genuine and unaltered, and only then do they score its condition. A slab (the sealed plastic case) with a number grade on it — a PSA 9, a BGS 8.5, an SGC 96 — is the company's statement that the card passed both checks.
When a card fails the authenticity check, or the company can't tell whether it's been altered, it doesn't get a number grade at all. Instead it's labeled something like "Authentic" (a genuine card that's been altered or otherwise doesn't qualify for a number grade) or flagged outright as trimmed, recolored, restored, or not genuine. Learning to read those labels is the single most useful skill for avoiding a bad purchase.
What "Authentic," trimmed, and altered actually mean
PSA's Authentic label covers a genuine card that can't receive a numeric grade — commonly because it's been trimmed (its edges cut down to look sharper or better-centered), had color added to a worn edge or corner, been recolored or re-glossed, or otherwise physically altered from how it left the factory. PSA publishes the full list of these designations, and a card can carry more than one.
"Authentic" does not mean "safe to treat like a graded card." It's the company's way of saying: this is a real card, but something about it means we won't give it a condition grade — often because it's been altered.
BGS and SGC use their own comparable language for the same idea — a genuine card that's been trimmed, recolored, or has an added or missing autograph, and so falls outside their number-grade scale. The exact wording differs by company, but the underlying signal is the same: read the label on the slab, not just the number.
Always look up the certification number yourself
Every slab from PSA, BGS, and SGC carries a certification (cert) number, and all three companies let you look that number up for free on their own websites. The lookup tells you the exact card, grade, and any qualifiers the company assigned — and you can compare that against the photo and listing in front of you.
- Find the cert number printed on the slab label (not in the seller's description).
- Look it up directly on the grading company's own site — PSA at psacard.com/cert, BGS at beckett.com/grading/card-lookup, SGC at gosgc.com/cert-code-lookup.
- Confirm the player, year, set, and card number in the lookup match the card you're being shown.
- Confirm the grade shown in the lookup matches the grade printed on the slab in the photos.
- If the lookup shows a different card, a different grade, or no result at all, don't buy — either the cert has been reused on a fake slab, or the slab itself is fake.
Reholders and case tampering
Grading companies build their cases to be tamper-evident — PSA's slabs, for example, use a light-refracting hologram and a case designed to show visible damage if someone tries to pry it open. A "reholder" is a replacement case the grading company itself issues when an original case is damaged; a legitimate reholder still carries a valid, look-up-able cert number.
The risk is an illegitimate one: someone cracks open a real slab, swaps in a worse card, and reseals it in a counterfeit case designed to look untouched. Warning signs include a case that looks slightly different from other slabs of the same era and company (different plastic thickness, an off-color label, a hologram that doesn't refract light correctly), glue residue or uneven seams, or a cert number that doesn't match the card when you look it up.
- Compare the case, label font, and hologram against other verified slabs from the same company and grading era.
- Check for visible pry marks, glue lines, or a seam that isn't flush.
- Buy from sellers who show clear, well-lit photos of the whole slab, front and back — sellers hiding the case in shadow or low-resolution photos are a red flag.
Prices that are too good to be true
A graded copy of a valuable card priced well below every recent sale of that same grade is the single most common tell. Fakes, reholders, and misrepresented raw cards are almost always priced to look like a bargain — because a fair price wouldn't get anyone to bite.
- Look up recent sold prices for the exact same card and grade before you buy, not just the seller's asking price.
- Be suspicious of a graded card priced closer to an ungraded (raw) copy than to other recent sales at that grade.
- Be extra cautious with high-value vintage cards and modern rookie one-of-ones — the two categories most worth faking.
Reprints and unlicensed novelty cards
Separate from altered originals, plenty of listings are outright reprints: modern reproductions of a famous card, sold either as an openly labeled reprint (fine, as long as it's disclosed and priced like one) or deceptively passed off as an original. Reprints typically show telltale signs the original didn't have — a slightly different card stock or gloss, printing that's too sharp and clean for the card's actual age, or missing the subtle print flaws real vintage printing almost always has.
This site's own eBay listings are filtered to reject titles and descriptions flagged as altered, trimmed, restored, or reprinted, so prices and photos shown on player pages here should already exclude them. That filter doesn't extend to eBay search results generally — the same checks in this guide still apply anywhere else you shop.
Quick answers
- What does an 'Authentic' label on a slab mean?
- It means the grading company confirmed the card is genuine but decided it doesn't qualify for a number grade — commonly because it's been trimmed, recolored, or otherwise altered. It's a warning label, not a grade.
- How do I check if a graded card's certification is real?
- Take the certification number printed on the slab and look it up directly on the grading company's own website — PSA, BGS, and SGC all offer free cert lookups. Confirm the card, grade, and any qualifiers in the lookup match what you're being shown.
- Is buying a raw (ungraded) valuable card ever a good idea?
- Only if you can inspect it in person and know what to look for, or you're comfortable with the risk. For anything valuable enough to be worth faking, a graded copy from PSA, BGS, or SGC with a verified cert number is the safer route.
- What's the biggest red flag when shopping for a graded card?
- A price well below recent sales for the exact same card and grade. Legitimate sellers rarely underprice a valuable graded card by a wide margin — when that happens, verify the certification before assuming it's a deal.
Where this comes from
Prices shown come from eBay listings and refresh daily, so they may be up to a day old. Sports cards are collectibles, not investments — this guide is for research and enjoyment, not financial advice.