2018 Leaf Valiant Sam Darnold Autograph Rookie Black Printing Press Plate Card. The only card of its kind in existence. The item "2018 Leaf Valiant Sam Darnold Auto Autograph Rookie RC Printing Press Plate 1/1" is in sale since Sunday, August 11, 2019. This item is in the category "Sports Mem, Cards & Fan Shop\Sports Trading Cards\Football Cards".The seller is "billyboy0315" and is located in Cincinnati, Ohio. This item can be shipped to United States.