Pillars of Eternity II: Deadfire (Collectors Edition) is a physical special edition of Pillars of Eternity II: Deadfire and was only available as part of the game's crowdsourcing campaign. The included content changes depending on the donated amount. If no price is listed, the content is included for the base price of $149.
the game (digital code redeemable on the Obsidian website for either a GOG or Steam key)
A signed box ($249+)
A statue of Old Nua (physical, $199+)
Guidebook: Volume Two - The Deadfire Archipelago (digital, additional physical edition $199+)