Ken Griffey Jr. autographed Seattle Mariners Retirement baseball jersey professionally framed and authenticated through Beckett Witness Authentication. Griffey memorabilia carries a special place in the hobby because it represents one of the most beloved players in modern baseball history a Hall of Fame superstar known for his iconic swing unforgettable Mariners era and generational collector appeal. This framed Majestic jersey creates the kind of display presence collectors want from a centerpiece item: bold team identity authenticated autograph premium framing and a direct connection to Griffey's celebrated legacy. The retirement theme adds extra significance making this a standout piece for Mariners fans Hall of Fame collectors and anyone building a serious baseball memorabilia display. Frame measures 37x43.