Quote:
Originally Posted by Peter_Spaeth
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Experience from my line of work and hearing Nat Turner expressly state that they are not using it to grade cards in multiple podcast interviews.
It's not possible to grade cards with the type of scans that PSA uses. No matter how high-def the images are. You need to have a machine that takes numerous images from every different angle with light reflected at different angles as well, and then convolve those images to create a topographic map like TAG Grading does in order to even begin to grade cards. And it's just too big of a hill to climb when it comes to vintage cards because of the surfaces.