Sultans of Bengal, Shams al-Din Iltutmish by Ghiyath al-Din 'Iwad (1217-1220 AD), silver tanka, Horsemen Type, governor in Bengal, mintless and dateless type, 10.56g. Obv: Horseman riding to left, carrying a mace; Muhammad Rasool Allah followed by legend in exergue. Rev: Arabic legend al-Sultan al-Mu'azzam Shams al-Dunya wa al-Din Abu al-Muzaffar Iltutmish al Qutbi (al-Sultani). G&G B22. Extremely fine, Very Rare.