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'.
(..) the police department or something? Now don't get me mad. Not even a detective can walk into an apartment and search it. If I were caught in there, they'd have my badge within ten minutes. Make sure you don't get caught, that's all. If you find something, you've got a murderer, and they don't (..)1954 Rear Window