A Chicago Cubs Rawlings Mach Pro MLB Helmet hand signed by Sammy Sosa. The item and signature are in excellent condition. Sammy is a &-time All-Star, 6-time Silver Slugger winner, and the 1998 National League MVP, finishing his career with 609 home runs. He is the only player in MLB history to hit 60 or more home runs in three different seasons and was inducted into the Chicago Cubs Hall of Fame in 2024. AUTHENTICATION: The item has been tagged with a SmarTag powered by Prova Technology, which gives you digital access to the items authentication records, including a proof picture from the signing.