Free Shipping on U.S. Orders $99+!

Shop the Top Deals of the Week Shop Now
1 3

White Sox Frank Thomas Signed 1990 Leaf #300 Rookie Card Auto 10! BAS Slabbed

$209

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

Free Shipping on U.S. Orders $99+

After payment is received, items will generally ship from Pristine Marketplace or our approved vendors within 2 business days.

Orders will ship via FedEx, UPS, or USPS for both domestic and international shipments.

60-Day Risk-Free Returns

Shop with total confidence. If you're not completely satisfied, return your item within 60 days for a full refund—no questions asked. Your satisfaction is 100% guaranteed.

100% Authenticity Guaranteed

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.

Learn more

Fast & Secure Checkout

  • Amazon
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Venmo
  • Visa

This Autographed Auto Graded Gem Mint 10! 1990 Leaf #300 Rookie Card is a must-have for serious collectors and fans of Frank Thomas and the Chicago White Sox. Personally signed by the legendary slugger, this card is a prized piece of baseball history. Authenticated and encapsulated by Beckett Authentication Services (BAS), it guarantees 100% authenticity, making it a valuable addition to any memorabilia collection.

  • Authentic Autograph: Personally hand-signed by Frank Thomas, one of baseball’s greatest hitters.
  • Gem Mint 10 Grading: Auto graded Gem Mint 10 for superior condition and pristine signature.
  • Official Beckett Authentication: Encapsulated and certified by Beckett Authentication Services (BAS) for guaranteed authenticity.
  • Iconic 1990 Leaf Rookie Card: A landmark rookie card marking the beginning of Thomas' Hall of Fame career.
  • Collector's Note: We have multiple copies available; signature placement may vary slightly as each autograph is unique.
Frank Thomas, known as "The Big Hurt," was a dominant force in Major League Baseball, earning multiple All-Star appearances and two American League MVP Awards. His impact on the game and legendary status make this signed rookie card a highly coveted piece for both die-hard Chicago White Sox fans and serious sports memorabilia collectors. Secure this authentic piece of baseball history today!
Back to top