PSA Flips/Holders - Tracking Changes Over Time
This has come up tangentially in other threads - the changes over the years are confusing when trying to ensure PSA cards are legit. Is there a thread anywhere on this Board, or a webpage anyone knows of where the changes over the years are discussed and illustrated with scans?
If not, I was thinking of starting on that with this thread. Please reply if you know of something already out there.
Cheers,
Blair
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