Ken Griffey Jr. & Ken Griffey Sr. Dual-Signed Official American League Baseball - The Score Board COA

Dual-signed Official American League baseball autographed by legendary father-and-son duo Ken Griffey Jr. and Ken Griffey Sr. The Griffeys remain one of the most iconic family pairings in Major League Baseball history, highlighted by their memorable tenure as teammates with the Seattle Mariners and their historic back-to-back home runs on September 14, 1990.

The baseball features blue-ink signatures from both Griffey Jr. and Griffey Sr. and is housed in a protective display cube with identification nameplate. Dual-signed Griffey family baseballs continue to generate strong collector interest due to the historic significance, rarity, and enduring popularity of both players across multiple generations of baseball fans.

Ken Griffey Jr. established himself as one of the defining superstars of the modern era, compiling 630 career home runs, 13 All-Star selections, and induction into the Baseball Hall of Fame in 2016. Ken Griffey Sr. enjoyed a standout Major League career of his own, winning two World Series championships as a key member of Cincinnati’s famed “Big Red Machine” dynasty.

Authentication & Provenance
Accompanied by a The Score Board Certificate of Authenticity.

Condition
The baseball presents with light to moderate age toning and minor handling wear consistent with long-term storage and display. The signatures remain visible overall, though portions exhibit lighter contrast. Display cube shows expected surface wear from age and handling. Please refer to photographs for complete condition details.

Details
Players: Ken Griffey Jr. & Ken Griffey Sr.
Item Type: Dual-Signed Baseball
Baseball Type: Official American League Baseball
Authentication: The Score Board COA
Display Case: Included