The product is a highly sought-after Trevor Bauer autographed rookie trading card from the 2011 Bowman Sterling set. Limited to a print run of only 25, this rare black refractor parallel variety card is a valuable collectible for baseball fans and card collectors alike. Featuring the Arizona Diamondbacks player's signature and serial number, this prospect autograph insert showcases Bauer's talent as he made his way into Major League Baseball. With its unique design and limited availability, this card is a prized addition to any sports memorabilia collection.