Leighton Vander Esch Autographed Full Size Helmets are top sellings among NFL Memorabilia. This product has been hand signed by Leighton Vander Esch and the item comes with a Certificate of Authenticity (COA) from JSA. Shop with confidence as this product is 100% authentic and in brand-new condition. Prime One Sports Online is the online leader in certified Leighton Vander Esch signatures and Dallas Cowboys sports memorabilia.