Ken Griffey Jr. & Ken Griffey Sr. Autographed Black Louisville Slugger Pro Stock Baseball Bat Seattle Mariners "Back To Back HR 9/14/90" Beckett BAS Witness Stock #230131
Ken Griffey Jr. & Ken Griffey Sr. Autographed Black Louisville Slugger Pro Stock Baseball Bat Seattle Mariners "Back To Back HR 9/14/90" Beckett BAS Witness Stock #230131 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.
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60-Day Risk-Free Returns
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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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Own a piece of baseball history with this Black Louisville Slugger Pro Stock Baseball Bat, hand-signed by both Ken Griffey Jr. & Ken Griffey Sr. This exceptional collectible commemorates a legendary father-son moment in MLB history—when Ken Griffey Sr. & Ken Griffey Jr. hit back-to-back home runs on September 14, 1990.
- Rare Dual Autograph – Signed by Ken Griffey Jr. & Ken Griffey Sr., two of baseball’s most iconic figures.
- Historic Inscription – Features the inscription "Back To Back HR 9/14/90", celebrating the unforgettable moment.
- Authenticity Guaranteed – Witnessed and certified authentic by Beckett Authentication (BAS), complete with a tamper-proof witness sticker.
- Premium Collectible – A must-have for baseball enthusiasts, collectors, and fans of the legendary Griffey legacy.
This autographed bat is more than just memorabilia—it's a tribute to baseball greatness and one of the sport’s most special father-son achievements. Add this certified authentic collectible to your collection today!