Ken Griffey Jr. Autographed Slugfest Video Game Cartridge Seattle Mariners (Damaged) Beckett BAS Witness #4W749355
Ken Griffey Jr. Autographed Slugfest Video Game Cartridge Seattle Mariners (Damaged) Beckett BAS Witness #4W749355 is backordered and will ship as soon as it is back in stock.
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Description
Description
Collector Grade, Authenticated Ken Griffey Jr. autographed and signed memorabilia — this Slugfest video game cartridge is hand-signed by the Seattle Mariners legend. Inducted into the Hall of Fame in 2016, Griffey tallied 630 home runs with a 1997 AL MVP, 13 All-Star selections, and 10 Gold Gloves, helping define the Mariners’ rise in the 1990s.
Collector's Highlights:
- Athlete (Baseball): Ken Griffey Jr.
- Item: Slugfest video game cartridge, signed; note: damage present as shown in photos
- Authentication: Beckett Authentication Services (BAS) Witness, Cert #4W749355; encapsulated in a tamper-proof holder
Backed by Beckett BAS Witness—where a Beckett representative observes the signing—this piece gives collectors confidence in the autograph and supports long-term value. A Seattle Mariners classic with real signature appeal; please review images for the noted damage.

