The product is a 2022 Marcelo Mayer National Treasures Apprentice Ink On Card Auto /99 trading card featuring a hard-signed autograph by the player himself. This limited edition card is part of the 2022 Panini National Treasures Baseball set and is authenticated by Panini Authentic. The card is made of 75 Pt. card stock and includes features such as serial numbering, being a short print, and being a rookie card. It belongs to the Red parallel/variety and is a valuable addition for collectors of baseball trading cards, particularly those interested in the Boston Red Sox team.