The precise reason why I don't do the bumper sticker thing. Too many immature idiots that will gladly cause $100s in damage because they don't like your bumper sticker.
"BACK OFF -- MARTIN GUITAR IN TRUNK"
Nonetheless the stack remained unsold ... who would want to put that on their car ??? Its like an advertisement to "PLEASE, STEAL ME" ... although the bumper stickers didn't come complete with a crowbar ... /laughs