514B - Teach Us to Grade?
Dr. James Beckett: Sports Card Insights - Ein Podcast von Dr. James Beckett
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Would the grading companies consider having a formal grading seminar where they taught their customers how to grade like they do?
Dr. James Beckett: Sports Card Insights - Ein Podcast von Dr. James Beckett
Would the grading companies consider having a formal grading seminar where they taught their customers how to grade like they do?