The 2023 Bowman - Modern Prospects Marcelo Mayer #MP-19 Orange Refractor /25 PSA 9 trading card is a highly collectible item featuring Marcelo Mayer of the Boston Red Sox. This limited edition card is part of the Modern Prospects set by Topps and is an original print run of only 25. Made of card stock with a thickness of 35 Pt., this exclusive card is a valuable addition to any baseball card collection. The orange refractor parallel adds a unique and attractive design to this rare and sought-after sports trading card.