A GameStop customer in Texas got over $30,000 for a rare Pokémon card in the company’s biggest trade-in deal ever.

The customer showed up with the card — a mint-condition holographic Gengar — at a store in Grapevine, TX, on Monday and walked away with $30,494.70.

“This event now constitutes the most valuable single trade-in ever recorded in GameStop history,” GameStop said in a statement.

The Pokémon card was a rare printing from 2003 that had a “gem mint” appraisal from grading company Professional Sports Authenticator.

The customer had bought the card through a GameStop program that allows customers to buy random, pre-graded cards online and flip them for pre-determined values.

The company said the deal flies in the face of “trolls” who bash the company’s trade-in policy , whic

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