The Topps Project 2020 Mariano Rivera by JK5 #91 trading card is a limited edition collector's item featuring the legendary baseball player Mariano Rivera. Part of the 2020 Topps Project 2020 set, this card showcases unique artwork by artist JK5 and is a part of the Bowman card size. It is a must-have for any baseball fan or card collector looking to add a special piece to their collection.