al-sultan al-azam ala al-dunya wal din // abu'l muzaffar muhammad shah al-Sultan and date (713 AH = 1313 AD). 17mm, 3.55 grams. "The Coins of the Indian Sultanates" D-232. 

Six-ghani piece (=6 jitals = 1/8th of a silver tanka). Excellent debased silver coin, decent quality metal.