pid:166293 Journeyman Cartographer`s Sextant is a currency item that adds an atlas modifier to a white or yellow map (tier 1 to 10) on the Atlas of Worlds.
pid:166285 Vaal Orbs are a currency item that will corrupt an item, causing unpredictable and possibly powerful results. Once an item is corrupted, it can no longer be modified by any other currency.