Ken Griffey Jr. Signed Seattle Mariners Official MLB Baseball BAS Witnessed

Product Details

• Athlete: Ken Griffey Jr.
• Item Type: Rawlings Official Major League Baseball (ROMLB)
• Team: Seattle Mariners
• Signature: Hand-signed on the sweet spot in blue ink.
• Career Highlights: 13-time All-Star, 10-time Gold Glove winner, 1997 AL MVP, and National Baseball Hall of Fame inductee (Class of 2016).

Authentication

• Authenticator: Beckett Authentication Services (BAS)
• Certification Type: Witnessed Certificate of Authenticity (COA)
• Verifiable: Includes a tamper-evident serial-numbered hologram.