This is a rare opportunity to own a signed 1st Refractor 2021 Bowman Chrome draft card of Marcelo Mayer, a promising young baseball player from the Boston Red Sox team. This card is a must-have for any avid collector of sports trading cards, especially those who are autographed and come from the Bowman brand. The card features Mayer's signature and is graded PSA, ensuring its authenticity and quality.