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'.
(..) Choucas instead of Inspector Choucas? That was an astute observation. Very astute. And all in order to say that you don't have a badge anymore. And if you have no badge then you have no right to carry weapons. And if you're not allowed to carry a gun, then this is a violation. (..)1981 To Kill a Cop