LAS VEGAS OAKLAND FULL SIZE AUTHENTIC HELMET SIZE LARGE. These type helmets generally fall into two major categories. REPLICA or AUTHENTIC. Basically REPLICAs don't feature the padding and authentic look and are not the value of AUTHENTICS. AUTHENTICS resemble much more of what the actual helmets worn on the field by players and include most similar features. NEVER USED, ONLY ON DISPLAY. #56 ON BACK. AWESOME ADDITION TO YOUR COLLECTION. PLEASE LET ME KNOW IF YOU HAVE ANY QUESTIONS.