In addition to The Black Island Pack, this here treasure
is yours for the taking.
When you pre-order Assassin's Creed IV Black Flag from GameStop you'll receive the exclusive Pirate's Bounty Pack as well. Discover the location of The Pirate's Bounty in-game and you'll unlock these exclusive items:
German Rapier Swords, Compass Relic and other valuable multiplayer items such as the Discoverer picture and title.