NFL Pro Football Hall of Fame Signed Hat. This hat includes 15 signatures from NFL Hall of Fame members. The signatures include: Larry Little, Ted Hendricks, Dave Wilcox, Howie Long, Mel Renfro, Sam Huff, Leroy Kelly, Joe Perry, Lou Creekmur, Charley Trippi, Jim Otto, Lem Barney, Willie Wood, Ronnie Lott, and Jan Stenerud. If a product is unsigned or non game-used, a hologram will not be included memorabilia. memorabilia