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Ken Griffey Jr. Autographed Mariners 1989 Mitchell & Ness White Cooperstown Jersey – Size L – Beckett BAS Witness

Regular price: $699.99
Sale price: $699.99
Regular price: ~~$999.99~~

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Celebrate the rookie season of a baseball legend with this Ken Griffey Jr. Autographed Seattle Mariners White Authentic Mitchell & Ness 1989 Cooperstown Collection Jersey. This Size L jersey features Griffey’s bold signature and comes with Beckett BAS Witness certification, making it a rare collectible for Mariners fans and dedicated baseball memorabilia collectors.

Key Features

Hand-signed by Ken Griffey Jr., Hall of Fame outfielder
Authentic Mitchell & Ness 1989 Cooperstown Collection Jersey
Classic white Seattle Mariners design, size L
Certified authentic with Beckett BAS Witness
Perfect display piece for Mariners fans and MLB collectors

Player Facts

Ken Griffey Jr.: Baseball Hall of Fame inductee (2016) with 99.3% of the vote
13× All-Star, 10× Gold Glove Award winner, 7× Silver Slugger
1997 American League MVP
630 career home runs, ranking among MLB’s all-time greats
Debuted with the Mariners in 1989, quickly becoming “The Kid” fans adored

Specifications

Player	Ken Griffey Jr.
Team	Seattle Mariners
Item	White Mitchell & Ness 1989 Cooperstown Authentic Jersey
Size	L
Autograph	Hand-signed by Ken Griffey Jr.
Authentication	Beckett BAS Witness Certified
Condition	Mint / Bold Signature
Era	1989 Rookie Season
Display Recommendation	Professional frame or display case (not included)