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'.
(..) I'm Harry Osborn. There's a patient that I specially would like to see. Joe, this is Mr. Osborn, Oscorp. Sorry sir, without a yellow badge, you can't even pass this point. Well, it doesn't matter because there is something else that Norman doesn't know. The human DNA that I implanted in the spiders (..)2014 The Amazing Spider-Man 2
(..) - You alright? - You're Spider-Man! Costume gives it away, huh? Look, this looks pretty important, Max. How do you know my name? It's written on your badge. - I'm a nobody. - Hey! You're not a nobody, you're somebody. Lick that. Alright, listen to me. The world needs you. (..)2014 The Amazing Spider-Man 2