Dexter Manley Autographed Washington Commanders Speed Mini Helmet - Prova *Silver This is a Hand Autographed Mini Helmet of Dexter Manley of the Washington Commanders on a Riddell Football Speed Mini Helmet. This item has been authenticated by Prova Authentication. Each item has a unique Prova Certification Number Hologram. You can view on Prova website. 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.