Can be found in a chest by the outer southeast wall of the cook's house in Cyseal
You have found the first of my secret sisters! A great victory for the intrepid traveller!
A keen explorer you may be, but only an especially exceptional soul will prove worthy of my fantastic treasure. Solve this riddle, and you will be the first of four steps closer to plumbing my glittering depths:
A full moon; a wedding ring; a wide eye. Which digit am I?