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'.
(..) ...which brings the grand total to $ million plus. We're in the political crosshairs now, Brian. That's why you're undercover. You want that detective badge fast, kid. And you want to know something? The FBI can help, if you come through for us. What does the truckdriver say? (..)2001 The Fast and the Furious