Discus like cosmetic floss, not affecting playback, and it has a sticker on it from the shop it came from (see pics)

Bandai Namco Ace Combat: Assault Horizon (Sony PlayStation 3) Game And Case.

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Ace Combat: Assault Horizon[a] is a spin-off installment of the Ace Combat flight simulation video game series. It was developed by Project Aces and published by Bandai Namco Games for the PlayStation 3 and Xbox 360 platforms in October 2011.[1] The game was later released on Microsoft Windows in January 2013 through Steam and Games for Windows – Live, with the latter notably being the final retail release for the platform shortly before its discontinuation.