This officially licensed mini football helmet has been personally hand signed by Troy Polamalu and authenticated by a top 3rd party authentication company. All autographed sports collectibles are limited! Order now to add this timeless piece of football memorabilia to your collection before it’s gone. Rave mini NFL football helmet autographed by Troy Polamalu and authenticated by JSA Includes a Witnessed Protection Program tamper-proof authentication sticker from JSA 90-day Satisfaction Guarantee: if you are not completely satisfied with your piece of memorabilia, return the item in its original condition with authentication for a full refund