The product is a 2025 Topps Gilded Collection Chrome Gold Autographs trading card featuring Marcelo Mayer of the Boston Red Sox. This limited edition card is part of a print run of only 99 and is serial numbered for authenticity. It is an insert in the set and is considered a rookie card, making it highly sought after by baseball card collectors. The card is a valuable addition to any sports trading card collection, especially for fans of Major League Baseball and the Boston Red Sox.