Posted By:
JimB"I believe it to be common knowledge in the hobby that dealers in the mid-1980's purchased over-sized T cards with rounded corners that they could shave into appropriately sized T cards with sharp corners, for purposes of getting higher grades from PSA."
For the record, PSA started in 1991 so whatever happened in the '80's was not done with the hopes of getting a card in a PSA holder. For all of its faults, PSA started in response and to help put an end to doctoring of various sorts including trimming. So I think it is misleading to suggest that this sort of thing started as a response to PSA in any sense. Quite the opposite is true.
JimB