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'.
(..) roll the dice and take your chances. I eat breakfast yards from Cubans who are trained to kill me. So don't think for one second that you can come down here... flash a badge... and make me nervous. Let's go. Colonel, I'll just need a copy of Santiago's transfer order. What's that? (..)1992 A Few Good Men