Bengal Sultanate, Shams Al-Din Iltutmish (AH 628-633, 1230-1236 AD), Silver Tanka, 10.56 gms, Lakhnauti Mint, citing Abbasid Caliph al-Mustansir, Obv. Al sultan al azam shams al duniya wa’al din abu al Muzaffar Iltutmish al sultan nasir amir al munimeen, Rev. kalima shahada, mint & date in margin, G&G # B44, very fine+, very rare.