Bengal Sultanate, Sikandar bin Ilyas (AH 758-792/1357-1389 AD), Mint off flan, Silver Tanka, Crude Calligraphy, Obv : Arabic legend "al-imam al-a’zam abu’l mujahid Sikandar Shah ibn Ilyas Shah al-sultan", Rev: Arabic legend "yamin khalifat Allah nasir amir al-mu’minin khuld Allahu khilafatahu", mint & date in margin off flan, 10.65g, 29.42mm, (Similar to B181), test and shroff marks, about very fine.