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Frank Thomas Signed White Sox 1990 Leaf Rookie Card #300 (Beckett Encapsulated)

$269

⭑⭑⭑⭑⭑ 4.8/5 Stars from Real Collectors

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All signatures sold on Pristine Marketplace are 100% guaranteed authentic, offering buyers complete confidence in every purchase.

Each autographed item undergoes rigorous verification through trusted authentication providers—including Beckett Authentication Services (BAS), James Spence Authentication (JSA), Fanatics Authentic, or Pristine Auction’s own in-house standard, Pristine Authentic.

This unwavering commitment to authenticity protects collectors and fans alike, making every signed piece not just a display item, but a trusted investment.

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Own a piece of baseball history with this Frank Thomas signed 1990 Leaf rookie card #300, a must-have for collectors and Chicago White Sox fans. This iconic rookie card showcases the early promise of "The Big Hurt," one of the most dominant hitters in MLB history. Authenticated and encapsulated by Beckett Authentic, this slabbed card offers both value and long-term preservation.

  • Authenticity Guaranteed – Certified by Beckett Authentic, one of the most trusted names in memorabilia authentication.
  • Encapsulated Protection – The card is securely slabbed, ensuring long-term preservation and display appeal.
  • Stock Photo Disclaimer – The item you receive will be the same authenticated card and grade, but the Beckett serial number may vary.
  • Legendary Legacy – Frank Thomas, a Hall of Famer and two-time AL MVP, made his mark with the Chicago White Sox, cementing his place in baseball history.

This 1990 Leaf rookie card represents the beginning of an incredible career that captivated baseball fans. Whether you're a passionate collector or searching for the perfect gift for a White Sox fan, this authenticated Frank Thomas card is an investment in sports history.