League: Minor League Baseball (MiLB)
Autographed: Yes
Signed By: Ken Griffey Jr.
Autograph Format: Hard Signed
Player/Athlete: Ken Griffey Jr
Sport: Baseball
Type: Sports Trading Card
Autograph Authentication: Professional Sports Authenticator (PSA)
Manufacturer: Team Issue
Team: Seattle Mariners
Features: Rookie
Card Number: 15
Season: 1988