Bengal Sultanate, Ghiyath Al-Din Mahmud (AH 939-945, 1532-1538 AD), Silver “Badr Shahi” Tanka, 10.71 gms, Muhammadabad Mint, AH 933, Obv. al-sultan bin al-sultan ghiyath al-dunya wa'l din abu'l Muzaffar mahmud shah, Rev. al-sultan bin Husain shah al-sultan khallada allah mulkahu wa-sultanahu, G&G # B909, beautiful centrally struck with almost full borders visible, extremely fine, rare in this quality.