The product is a signed baseball by Christian Yelich, a player for the Milwaukee Brewers in Major League Baseball. The autograph is authenticated by Fanatics Authentic, making it an original piece. This collectible item is perfect for fans of the Brewers or baseball enthusiasts looking to add a unique piece to their memorabilia collection. The Rawlings Brew Crew Fanatics COA adds an extra level of authenticity and value to this special item.