1989 Ken Griffey Jr. #24 Pre Rookie Signed Minor League Magazine JSA COA
“The Kid” is a member of the 600 Home Run Club with 630 career home runs. He was a 13-time All-Star, a 10-time Gold Glove winner and was the 1997 American League MVP along with being one of the greatest defensive outfielders in history. June 1989 issue of Minor League Monthly Price Guide picturing Ken Griffey Jr. on the cover, signed in blue sharpie. Very early rare signature of Griffey Jr. Comes with JSA auction letter COA.