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A's Connie Mack Authentic Signed Reach Official League Baseball JSA #BB70388

$4,169

⭑⭑⭑⭑⭑ 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.

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Celebrate baseball history with this Autographed Reach Official League Baseball personally signed by legendary manager Connie Mack of the Philadelphia Athletics. A timeless piece for any serious sports memorabilia collector, this ball represents one of the most iconic figures in Major League Baseball. Connie Mack, known for his unprecedented 50-year managerial career and five World Series championships with the Athletics, remains a towering figure in the sport’s legacy. Authenticated by one of the industry’s most trusted names, this collectible ensures both value and authenticity for any collection.

  • Hand-signed by Connie Mack, Hall of Fame manager of the Philadelphia Athletics
  • Official Reach League Baseball—a vintage piece consistent with the era
  • Includes a Certificate of Authenticity (COA) and tamper-proof hologram from JSA
  • Authentication can be verified on the JSA website for full buyer confidence
  • A must-have for fans of Philadelphia Athletics history and early 20th-century baseball legends
This rare signed baseball offers a special opportunity to own a piece of the Philadelphia Athletics' and Major League Baseball’s rich history. Perfect for display in a home, office, or memorabilia collection, it’s more than a collectible—it’s a tribute to a baseball legacy.
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