This is a Mark Clayton & Mark Duper Dual Signed Miami Dolphins Mini Helmet with authentication from James Spence Authentication (JSA). This original autographed helmet features the signatures of two football players from the Miami Dolphins, making it a unique and collectible item for fans of the team or football enthusiasts. This mini helmet showcases the signatures of both Mark Clayton and Mark Duper, adding value and memorabilia to any sports memorabilia collection.
