Quite easy. Scan it, then use software to measure the card in pixels both horizontally and vertically. From there you can get the ratio of height to width and compare to the ratio of known good cards. Unless of course the card has been pressed first, then the card could still be trimmed and measure right. Or the card could have been oversized to begin with, at which point it could still measure right and be trimmed.
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Current Wantlist:
E92 Nadja - Bescher, Bridwell, Cobb, Donovan, Doolan, Doyle (with bat), Lobert, Mathewson, Miller (fielding), Tinker, Wagner (throwing), Zimmerman
E/T Young Backrun - Need E90-1, T216 (all versions)
E92 Red Crofts - Anyone especially Barry, Shean, and Evers
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