Rahjin's Coin [sic] [Do not change this to Rajhin. This misspelled word is how it appears in-game.] is a quest item, and is obtainable from lock-picking Rahjin's Chest [sic] [Do not change this to Rajhin. This misspelled word is how it appears in-game.] in Rawl'kha during New Life Festival. It is one of 3 coins needed for the "The Trial of Five-Clawed Guile" quest.