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Ken Griffey Jr. & Sr. Autographed Official MLB Baseball Seattle Mariners "Back To Back HR 9/14/90" Beckett BAS Witness Stock #252420

$539

⭑⭑⭑⭑⭑ 4.8/5 Stars from Real Collectors

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This Official MLB Baseball is a true collector's gem, featuring the authentic signatures of Ken Griffey Jr. and Ken Griffey Sr., two legends of America's pastime. What makes this piece truly historic is the hand-inscribed note: "Back To Back HR 9/14/90"—a tribute to the unforgettable moment when the iconic father-son duo hit back-to-back home runs as teammates for the Seattle Mariners on September 14, 1990. This rare feat remains one of baseball's most heartwarming and legendary highlights, forever etched into MLB history.

  • Official MLB Baseball – Game-quality ball crafted to professional standards.
  • Hand-signed by Ken Griffey Jr. & Ken Griffey Sr. – Two Hall of Fame names on one unforgettable piece.
  • Inscribed with “Back To Back HR 9/14/90” – Commemorates the historic father-son home run milestone.
  • Certified Authentic by Beckett (BAS) – Witnessed signature comes with tamper-proof hologram for guaranteed authenticity.
  • Ideal for display or investment – A must-have item for die-hard Mariners fans, baseball historians, or collectors of sports memorabilia.
Whether you're a long-time fan of the Griffeys, a collector of Seattle Mariners memorabilia, or simply looking to own a unique piece of Major League Baseball history, this signed and inscribed ball offers unbeatable provenance and incredible storytelling appeal. Don’t miss your chance to add this iconic moment to your collection.