Internet sleuths have so far failed to reveal the identity of “Phillies Karen,” the enraged, gray-haired fan who relentlessly berated a father into taking a home run ball away from his son and giving it to her at a game last week.

However, one trading card retailer has a plan to make her identity known and add to her bank account in the process.

Blowout Cards has offered the currently unidentified Phillies Karen a deal: $5,000 for the home run ball that she felt was worth ruining a young man’s day at the park to obtain, in exchange for her autograph.

“But there is a catch,” the company said on its website.

“We want that ball signed and inscribed by her — and only her, whoever she is — ‘I’m sorry’ so we can simply give it back to the kid. Our offer is official and the offer is firm.”

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