Gregory Polanco signed Autographed Major League Baseballs are the missing piece for your sports room, man cave, home or office. This Gregory Polanco Autographed Rawlings 2017 World Baseball Classic Baseball - JSA is perfect for display in your autographed sports memorabilia collection. Gregory Polanco hand signed this Rawlings Official Major League Baseball and the item comes with a Certificate of Authenticity (COA) from James Spence Authentication (JSA) and matching tamper-evident sticker. Sports Collectibles is the online leader in authentic Gregory Polanco and Pittsburgh Pirates autographed sports memorabilia. Shop with complete confidence as this Gregory Polanco autograph is 100% authentic. Your order ships out same day of purchase and is backed by our 100% Money Back Guarantee. Don't miss out on this Gregory Polanco signed baseball, get yours here today.