How many professional graders are employed by PSA, BGS/BVG and SGC combined? Other than hobby experience there is no criteria for being a professional grader....and I'm certain they don't apply their standards to each card. We mistakenly think that TPGs analyze each card under a microscope with the highest degree of scrutiny. In reality, they are probably under tight and stressful deadlines and maybe eyeball a card for a couple of seconds before rendering a verdict.
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