Own a piece of baseball history with this Ken Griffey Jr. signed 1989 Fleer #548 Rookie Card, an essential collectible for any Seattle Mariners or baseball memorabilia fan. This iconic rookie card has been hand-signed by Ken Griffey Jr. and professionally authenticated and slabbed by Beckett, earning a prestigious Grade 10 autograph rating.

• Authentic Ken Griffey Jr. autograph – Certified and slabbed by Beckett.
• 1989 Fleer #548 Rookie Card – A must-have from Griffey’s legendary debut season.
• Autograph graded 10 – Ensuring top-tier signature quality.
• Perfect for collectors and investors – A standout addition to any collection.

Ken Griffey Jr. is one of baseball’s most celebrated players, known for his electric plays, 630 career home runs, and place in the Baseball Hall of Fame. Whether you're a lifelong Mariners fan or a serious sports memorabilia collector, this signed rookie card is a rare opportunity to own a piece of Griffey’s legacy. Secure it now before it’s gone!