Curtis Martin Autographed New York Jets F/S 98-18 Speed Authentic Helmet- PSA *Black This is a hand autographed Helmet of Curtis Martin of the New York Jets. This is a Riddell Football Full Size 98-18 Speed Authentic Helmet. This item has a PSA Authentication, which comes with a numbered sticker and a matching PSA Certificate of Authenticity. You can view this item on the PSA Authentication website. It was signed either at a public autograph appearance or a private signing. This is a stock photo of the item. Although you may not receive this exact item, the item you receive is virtually identical and brand new in great shape.