Ken Griffey Jr. & Ken Griffey Sr. Autographed Black Louisville Slugger Pro Stock Baseball Bat Seattle Mariners "Back To Back HR 9/14/90" Beckett BAS Witness Ruth-Babe This is an Official National

This is an Official National League Baseball that has been hand signed by Ed Miksis

This is a 1975 SSPC Card #190 that has been hand signed by Ed Figueroa

This is an Official American League Baseball that has been hand signed by Tom Davey

The size of the colored photo is approximately 4x7 in size

This is a 1974 Topps Card #306 that has been hand signed by George Bamberger and Jim Frey

Ken Griffey Jr. & Ken Griffey Sr. Autographed Black Louisville Slugger Pro Stock Baseball Bat Seattle Mariners "Back To Back HR 9/14/90" Beckett BAS Witness Ruth-Babe This is an Official NationalThis is a Black Louisville Slugger Pro Stock Baseball Bat that has been hand signed by Ken Griffey Jr. and Ken Griffey Sr. This item was inscribed "Back To Back HR 9 14 90." This item has been witnessed and certified authentic by Beckett Authentication (BAS) and comes with their tamper proof witness sticker.