Mark Brothers Autograph Signing at Sinbad Sports.This Riddell Speed Miami Dolphins Autographed Full size helmet features Clayton signature and inscription in black market.

Helmet is full size, brand new in box. Replica speed helmet like what player wear on the field. For display only. Interior padding is decorative, not functional. 2-pt. chinstrap. Not to be used for play.
Measures approximately 12.75" (L) X 9.25" (W) X 9.75" (H).
Shop with confidence as this product has been Witness authenticated by JSA and comes complete with a Certificate of Authenticity.