This helmet is autographed by Justin Herbert of the LA Chargers.  The signature is guaranteed by his exclusive Fanatics Authentic and comes with tamper proof hologram that can be verified online.  
 
 
 
TBM is an authorized Fanatics Dealer so buy with confidence as this product is guaranteed by both Fanatics Authentic and TBM Customs LLC.
 
This is a stock helmet and you will receive one of similar quality both in signature and the helmet itself.  Your satisfaction is guaranteed!