The 2025 Panini Donruss Signature Marks Auto J.J. McCarthy #SM-JMY trading card is a highly sought-after collectible featuring the autograph of J.J. McCarthy from the Minnesota Vikings. This card, part of the Signature Marks insert set, is authenticated by Donruss and made of durable 20 Pt. card stock. With its association with the Super Bowl and the National Football League (NFL), this card is a valuable addition to any football trading card collection. The autograph is in the form of a label or sticker, adding to the authenticity and appeal of this rare piece.