Sultans of Bengal, Shams al-Din Iltutmish Shah (1230-1236 AD), Silver Tanka,10.60grams, ovb. al-sultan al-mu'azzam shams al-dunya wa'l din abu'l muzaffar iltutmish al-sultani yamin khalifat allah nasir amir al-mu'minin Rev. in dotted circle and without caliph. This type must have been struck after the death of al-nasir in 622 and before news of the accession of al-Zahir reached Bengal G&G B40 only faw specimen are recorded, Extremely fine, very very rare.