What is in Bruce Springsteen's back pocket on album Born in the US?

On the cover of Bruce Springsteen's album "Born in the U.S.A.," he has a pack of cigarettes in the back pocket of his jeans. This detail adds to the album's rugged, working-class aesthetic and reflects the themes of everyday life and struggle found in his music. The image has become iconic, symbolizing both the man and the era.