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'.
(..) - You stink, Potter. - Good luck, Potter. - Potter stinks! - Cedric rules. - Thanks. Like the badge? Excuse me. Harry. Hey! Read the badge, Potter! Can I have a word? - All right. (..)2005 Harry Potter and the Goblet of Fire