Connie Mack Philadelphia Athletics Signed Hand Written Letter BAS A31888 Auto 10
Connie Mack Philadelphia Athletics Signed Hand Written Letter BAS A31888 Auto 10 is backordered and will ship as soon as it is back in stock.
⭑⭑⭑⭑⭑ 4.8/5 Stars from Real Collectors
Free Shipping on U.S. Orders $99+
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.
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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
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.
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Own a rare piece of baseball history with this Connie Mack signed, hand-written letter. A legendary figure in Major League Baseball, Connie Mack was the longest-serving manager in MLB history, leading the Philadelphia Athletics for over 50 years and securing five World Series championships. This authentic letter is a must-have for serious collectors and baseball enthusiasts alike.
- Authentic Hand-Written Letter – Personally written and signed by Connie Mack.
- Beckett Certified – Comes with a Beckett hologram and letter of authenticity, ensuring genuine provenance.
- Perfect Autograph Grade – 10 – A pristine signature, ideal for serious collectors.
- Historical Significance – A unique piece from one of baseball’s most influential figures.
- Ideal for Display – A standout addition to any sports memorabilia collection.
Whether you're a lifelong baseball fan, a historian, or a collector looking for a rare gem, this Connie Mack signed letter is a timeless artifact of America's favorite pastime. Secure yours today!
