GemSnipe

Centering Call · guess, then check

Call it by eye. Then see the measurement.

You get a real card photo from a real eBay listing. Call the centering — how much of the border sits left vs right, top vs bottom — and say whether you'd stake a PSA 10 on it. Only then does the measurement appear.

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Dealing a card…

Why this is the whole game

Centering is the single most common reason a raw card that looks mint comes back a 9. Snipers who can read it by eye, fast, on a phone, in a listing photo, buy the cards other people scroll past. This is that skill, isolated and scored. Every card here has been measured by our review tool — 320 measurements across 302 cards.

Get 10 calls in and you're on the public leaderboard, ranked on accuracy alone. Read how scoring works.