The 2021 Leaf Ultimate Draft Kenneth Gainwell Auto RC 4/10 is a highly sought-after trading card featuring the autograph of the NCAA football player Kenneth Gainwell. With a limited print run of only 10 cards, this original and serial numbered card is a rare find for collectors. Manufactured by Leaf, this rookie card is made of metal and comes with a label or sticker autograph, making it a valuable addition to any sports trading card collection.