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Paul Skenes' 1-of-1 autographed MLB debut patch card received a perfect grade of 10 by Professional Sports Authenticators (PSA).
The card, which features an autograph as well as a patch worn by the Pittsburgh Pirates ace during his MLB debut, was pulled by an 11-year-old collector from Los Angeles. Topps made the announcement on Tuesday.
Attributes for a card to received a grade of 10 include four perfectly sharp corners, sharp focus and full original gloss (via PSA). A perfect card must be free of staining of any kind and the image must also be centered on the card.