„Ibn Battutah while in Bengal says that a pretty kaniz (slave girl) could be had there for one gold dinar (or 10 silver tankahs). "I purchased at this price a very beautiful slave girl whose name was Ashura. A friend of mine also bought a young slave named Lulu for two gold coins."“
Quoted from Lal, K. S. (1999). Theory and practice of Muslim state in India. New Delhi: Aditya Prakashan. Chapter 4
Travels in Asia and Africa (Rehalã of Ibn Battûta)