Bengal Sultanate, Ghiyath al-din Iwad (AH 614-616, 1217-1220 AD) struck in the name of Iltutmish, Horsemen Type, First Series Type, Silver Tanka, 10.63 gms, NM, ND, Obv. horseman to left holding mace, Rev. al-sultan al-mu'azzam shams al-dunya wa'al din abu'al muzaffar Iltutmish al-qutbi nasir amir al-mu minin, G&G # B18, very fine+, extremely rare.