This Seattle Mariners baseball jersey is hand-signed by Ken Griffey Jr. one of baseball's most beloved and talented players. Authenticated by Beckett Authentication Services and accompanied by a tamper proof hologram the autograph is verified as genuine and professionally preserved. Featuring high-quality stitching and the official Mariners design this signed jersey pays tribute to Griffey's Hall of Fame career and lasting impact on the sport. Ideal for framing or display in any memorabilia collection. Jersey is a size XL with name and numbers sewn on. Also has the Griffey retirement patch.Stock image.