This NBA Adidas Rev 30 authentic jersey is autographed by Marcus Smart of the Boston Celtics. The jersey is signed by Smart and comes with a certification of authenticity from Professional Sports Authenticator (PSA). It is an Adidas original product and a great addition to any sports memorabilia collection. The jersey proudly represents the Boston Celtics team and is perfect for any basketball fan. Don't miss the chance to own this unique item!