Jerry Koosman Signed Auto Baseball JSA CG96889
Jerry Koosman Signed Auto Baseball JSA CG96889 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+
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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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Celebrate a piece of Mets history with this Jerry Koosman Signed Auto Baseball, authenticated by JSA (Certification #CG96889). As a key figure in the legendary 1969 New York Mets World Series Championship team, Koosman played an essential role in one of baseball’s greatest underdog stories. This signed baseball is a must-have for collectors looking to commemorate a golden era of Mets baseball or honor one of the franchise's greatest pitchers.
- Autographed by Jerry Koosman – New York Mets legend and 2x All-Star
- Official Baseball signed with permanent ink for longevity and display
- JSA Certified (CG96889) – Includes trusted James Spence Authentication for guaranteed authenticity
- Perfect for collectors of New York Mets memorabilia and baseball history enthusiasts
- Protective packaging ensures safe shipping and preserving signature quality
Add this authentic piece of baseball history to your collection and remember the pitcher who helped lead the Mets to their first-ever World Series title. Whether displayed at home, in an office, or added to a growing memorabilia collection, this signed baseball is a standout tribute to Jerry Koosman and the unforgettable 1969 Miracle Mets.
