The product is a 2021 Bowman Draft Chrome Marcelo Mayer 1st Bowman Auto Sparkle Ref /71 PSA 10 trading card. This baseball card features an autograph from Marcelo Mayer of the Boston Red Sox, signed in hard format and authenticated by Topps. The card is part of the Chrome Draft Pick Autographs insert set and is an original release by Topps. With a limited print run of only 71, this collectible is a highly sought-after item for baseball card enthusiasts and fans of Marcelo Mayer.