Ken Griffey Jr. & Sr. Autographed Louisville Slugger Bat "Back To Back HR 9/14/90" – Seattle Mariners – BAS Witness
Ken Griffey Jr. & Sr. Autographed Louisville Slugger Bat "Back To Back HR 9/14/90" – Seattle Mariners – BAS Witness
Ken Griffey Jr. & Sr. Autographed Louisville Slugger Bat "Back To Back HR 9/14/90" – Seattle Mariners – BAS Witness
Ken Griffey Jr. & Sr. Autographed Louisville Slugger Bat "Back To Back HR 9/14/90" – Seattle Mariners – BAS Witness
Ken Griffey Jr. & Sr. Autographed Louisville Slugger Bat "Back To Back HR 9/14/90" – Seattle Mariners – BAS Witness
Ken Griffey Jr. & Sr. Autographed Louisville Slugger Bat "Back To Back HR 9/14/90" – Seattle Mariners – BAS Witness
Ken Griffey Jr. & Sr. Autographed Louisville Slugger Bat "Back To Back HR 9/14/90" – Seattle Mariners – BAS Witness
Ken Griffey Jr. & Sr. Autographed Louisville Slugger Bat "Back To Back HR 9/14/90" – Seattle Mariners – BAS Witness
Ken Griffey Jr. & Sr. Autographed Louisville Slugger Bat "Back To Back HR 9/14/90" – Seattle Mariners – BAS Witness
Ken Griffey Jr. & Sr. Autographed Louisville Slugger Bat "Back To Back HR 9/14/90" – Seattle Mariners – BAS Witness
    Ken Griffey Jr. & Sr. Autographed Louisville Slugger Bat "Back To Back HR 9/14/90" – Seattle Mariners – BAS Witness
    Ken Griffey Jr. & Sr. Autographed Louisville Slugger Bat "Back To Back HR 9/14/90" – Seattle Mariners – BAS Witness
    Ken Griffey Jr. & Sr. Autographed Louisville Slugger Bat "Back To Back HR 9/14/90" – Seattle Mariners – BAS Witness
    Ken Griffey Jr. & Sr. Autographed Louisville Slugger Bat "Back To Back HR 9/14/90" – Seattle Mariners – BAS Witness
    Ken Griffey Jr. & Sr. Autographed Louisville Slugger Bat "Back To Back HR 9/14/90" – Seattle Mariners – BAS Witness
    Ken Griffey Jr. & Sr. Autographed Louisville Slugger Bat "Back To Back HR 9/14/90" – Seattle Mariners – BAS Witness
    Ken Griffey Jr. & Sr. Autographed Louisville Slugger Bat "Back To Back HR 9/14/90" – Seattle Mariners – BAS Witness
    Ken Griffey Jr. & Sr. Autographed Louisville Slugger Bat "Back To Back HR 9/14/90" – Seattle Mariners – BAS Witness
    Ken Griffey Jr. & Sr. Autographed Louisville Slugger Bat "Back To Back HR 9/14/90" – Seattle Mariners – BAS Witness
    Ken Griffey Jr. & Sr. Autographed Louisville Slugger Bat "Back To Back HR 9/14/90" – Seattle Mariners – BAS Witness
Ken Griffey Jr. & Sr. Autographed Louisville Slugger Bat "Back To Back HR 9/14/90" – Seattle Mariners – BAS Witness
Ken Griffey Jr. & Sr. Autographed Louisville Slugger Bat "Back To Back HR 9/14/90" – Seattle Mariners – BAS Witness
Ken Griffey Jr. & Sr. Autographed Louisville Slugger Bat "Back To Back HR 9/14/90" – Seattle Mariners – BAS Witness
Ken Griffey Jr. & Sr. Autographed Louisville Slugger Bat "Back To Back HR 9/14/90" – Seattle Mariners – BAS Witness
Ken Griffey Jr. & Sr. Autographed Louisville Slugger Bat "Back To Back HR 9/14/90" – Seattle Mariners – BAS Witness
Ken Griffey Jr. & Sr. Autographed Louisville Slugger Bat "Back To Back HR 9/14/90" – Seattle Mariners – BAS Witness
Ken Griffey Jr. & Sr. Autographed Louisville Slugger Bat "Back To Back HR 9/14/90" – Seattle Mariners – BAS Witness
Ken Griffey Jr. & Sr. Autographed Louisville Slugger Bat "Back To Back HR 9/14/90" – Seattle Mariners – BAS Witness
Ken Griffey Jr. & Sr. Autographed Louisville Slugger Bat "Back To Back HR 9/14/90" – Seattle Mariners – BAS Witness
Ken Griffey Jr. & Sr. Autographed Louisville Slugger Bat "Back To Back HR 9/14/90" – Seattle Mariners – BAS Witness

Ken Griffey Jr. & Sr. Autographed Louisville Slugger Bat "Back To Back HR 9/14/90" – Seattle Mariners – BAS Witness

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Own a piece of baseball history with this Ken Griffey Jr. & Ken Griffey Sr. Autographed Black Louisville Slugger Pro Stock Bat, featuring the rare inscription "Back To Back HR 9/14/90". On that historic night, the father-son duo became the only pair in MLB history to hit back-to-back home runs in the same game, forever cementing their place in the sport’s legacy. This one-of-a-kind collectible is witnessed and certified authentic by Beckett Authentication Services (BAS).

Key Features

  • Hand-signed by both Ken Griffey Jr. and Ken Griffey Sr.
  • Inscribed with "Back To Back HR 9/14/90" – a legendary MLB milestone
  • Official Black Louisville Slugger Pro Stock Baseball Bat
  • Beckett BAS Witness hologram and Certificate of Authenticity included
  • Iconic father-son collectible perfect for Mariners fans and baseball historians

Player Facts

  • Ken Griffey Jr.: 630 career HRs, 13× All-Star, 1997 AL MVP, Hall of Fame inductee in 2016
  • Ken Griffey Sr.: 3× All-Star, 2× World Series Champion with the Cincinnati Reds (1975–1976)
  • On September 14, 1990, the Griffeys became the first and only MLB father-son duo to homer back-to-back
  • Played together as teammates for the Seattle Mariners from 1990–1991

Specifications

Players Ken Griffey Jr. & Ken Griffey Sr.
Team Seattle Mariners
Item Black Louisville Slugger Pro Stock Baseball Bat
Inscription "Back To Back HR 9/14/90"
Authentication Beckett BAS Witness Certified
Condition Mint – bold dual autographs and inscription

Authenticity & Shipping

  • Authenticity: Beckett BAS Witness hologram and COA guarantee genuine signatures
  • Condition: Excellent display piece with clear autographs and crisp inscription
  • Packaging: Securely packaged for safe delivery with protective casing
  • Shipping: Free U.S. shipping; international shipping options available

Note: Each signed bat is unique. Signature placement may vary slightly from product images.

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