As Corey has said many times, it is not PSA who determines the value of cards, it's the potential buyer. If a new grading service is able to determine that cards previously holdered were altered, the next buyer will decide what he is willing to pay. Maybe PSA will do nothing and never admit they made any mistakes, but that doesn't prevent a future buyer from rejecting any or every card he deems problematic.
It will entirely be market based. The TPG opinion will be meaningless.
Of course, what will happen if somebody develops a new technology that can detect tampering is that people with a vested interest in PSA cards will forcefully demean and reject the findings of the new company. They will state that the new technology is flawed and can't be trusted. They'll find a couple of mistakes the new company made and say that their grades are no more reliable than the old ones, and that they shouldn't be trusted.
Last edited by barrysloate; 08-29-2019 at 02:44 PM.
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