He wore his ethnic heritage as a 'badge of honor/pride'. [=he was proud of his ethnic heritage and did not try to hide it]
She was wearing a 'badge' that read “Support your local library.”
The receptionist glanced at my visitor's 'badge'.
(..) Nope. I did door-to-doors and walked the beat. I did that shit... a long time. - And? - My badge says... "detective". That's the same as yours. Look, I made a decision. I had to consider the integrity of the scene... (..)1995 Se7en