Oddly enough, the Charles Bronson signature; specifically the "Bronson" is far more typical of the way Charles Bronson, the noted criminal, writes his last name, and looks nothing to me the way Charles Bronson, the actor, has ever written his last name at any stage of his life. Take a look:
I'll be a son of a gun. I learn something new every day. Do you know if there is any value or market for such a signature? I got to admit....I never until now even knew there was such a character as this one with the same name.