The 2020 Panini Flawless Mariano Rivera On Card Auto /15 is a highly collectible sports trading card featuring the Major League Baseball (MLB) legend Mariano Rivera. This limited edition card has a premium ink insert set and is serial numbered to a print run of only 15, making it a valuable addition to any baseball card collection. Authenticated by Professional Sports Authenticator (PSA), this graded card is a must-have for fans of the New York Yankees and sports memorabilia enthusiasts alike.