Delhi Sultanate, Turk Dynasty, Shams-ud-din Iltutmish (AH 607-633/1210-1235 AD), Mint off flan, Silver Tanka, Land tax of Kanauj and Infidels type, Obv: al-sultan al-a’zam shams ud dunya wa’l din abu’l muzaffar iltutmish al-sultan, min kharaj qanauj wa kafar in margin, Rev: fi ahd al imam al mustansir amir al mominin in double square, 10.82g, 28.71mm, (Variant of G&G # D36, three dots alignment in margin is different), about very fine, Rare.