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  1. MLB Memorabilia
  2. Seattle Mariners
  3. Seattle Mariners Baseballs
  4. Ken Griffey Jr. Memorabilia
  5. Product ID: 201842470
Ken Griffey Jr. & Ken Griffey Sr. Autographed Official MLB Baseball Seattle Mariners "Back To Back HR 9/14/90" Beckett BAS Witness Stock #230129
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Ken Griffey Jr. & Ken Griffey Sr. Autographed Official MLB Baseball Seattle Mariners "Back To Back HR 9/14/90" Beckett BAS Witness Stock #230129

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Your Price: $693.99
Ships Free with code: SM79SHIP
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SportsMemorabilia Advantage
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  • Ships directly from a trusted partner. This item ships on or before Tuesday, September 9, 2025.
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