2017 Panini Preferred Silhouettes #31 John Elway "1/1" NFL Logo Shield Autograph BGS Authentic. Unique offering from Panini is literally one-of-a-kind, with the NFL shield jersey patch serving as the centerpiece and Hall of Famer John Elway's autograph beneath. Encapsulated by Beckett's as Authentic, the autograph draws a terrific 9 grade, making this card truly alone in its class.