Only featuring signed cards, 2016 Donruss Signature Series Football returns with a deep checklist and four total autographs per hobby box.
2012 Panini Signature Series Baseball is all about the autograph. Every six-card box comes with three autograph cards. The release has a variety of autograph inserts from both current stars and retired legends.
1996 Leaf Signature Series Baseball is the first MLB set to have an autograph in every pack. Key signers include Derek Jeter, Alex Rodriguez, Greg Maddux and Mariano Rivera.