Firefly - Challenge Coin Keep Flying (SDCC 2016)

Because you never know when the Alliance might be running an undercover sting operation, it's a good idea to carry ond of these handy gorms of Browncoat ID.

This San Diego Comic Con 2016 'Keep Flying Challenge Coin' features an intricately detailed view of Serenity in relief. The flip side displays the colourful Independents Army symbol bordered by the remembrance, "Never forget Serenity Valley."