MARK CLAYTON & MARK SUPER DUPER. SIGNED MIAMI DOLPHINS FULL SIZE REPLICA HELMET. Full Size helmet is signed in BLACK sharpie as shown. Comes with a WITNESS COA from JSA as shown above. SAME EXACT HELMET YOU WILL RECEIVE AS SHOWN IN THE PICTURES. WE HAVE A FEW SIGNED ALL IN THE SAME EXACT SPOT. PLEASE FEEL FREE TO ASK ANY QUESTIONS!