Mariners Ken Griffey Jr. Signed 1991 Topps #336 Card Auto 10! BAS Slabbed

This Autographed Auto Graded Gem Mint 10! 1991 Topps #336 Card has been Personally Signed by Ken Griffey Jr. of the Seattle Mariners. This item is 100% Authentic, it comes slabbed and authenticated by Beckett Authentication Services. The authenticity can be verified on Beckett Authentication Services website.