Bengal Sultanate, Ghiyath al-din Iwad (AH 614-616, 1217-1220 AD) struck in the name of Iltutmish, First Series Type, Silver Tanka, 10.78 gms, NM, ND, Obv. horseman to left holding mace, Rev. al-sultan al-muazzam shams al-dunya wa'l din abu'l muzaffar iltutmish al-qutbi nasir amir al-mu minin with ‘Shri’ in nagari and a crescent, G&G #B18, very fine, very rare.