Ken Griffey Jr. Autographed 1989 Broder Cactus League All Stars Rookie Card #18 Seattle Mariners Auto Grade Gem Mint 10 Beckett BAS 233974

This rare 1989 Broder Cactus League All Stars Rookie Card #18 features the hand-signed autograph of baseball legend Ken Griffey Jr. The signature has been graded a perfect Gem Mint 10 by Beckett Authentication Services (BAS), ensuring its exceptional quality. Encased in a tamper-proof holder, this certified authentic collectible offers fans and collectors a unique opportunity to own a piece of baseball history. The card showcases Griffey Jr. in his early career, making it a valuable addition to any sports memorabilia collection.