Bengal Sultanate, Silver Tanka, 10.53gm, Ghiyath Al-Din A'zam (Coin issued during the reign of his father) (AH 792-813, AD 1389-1410), Jannatabad Mint. Obv: al-mu'ayyad bi-ta'yid al-rahman ghiyath al-dunya wa'l din abu muzaffar a'zam shah al-sultan, with four caliph's name in margin, Rev: nasir al-islam wa'l muslimin yamin amir al-mu'minin. G&G B226. Very Fine, Scarce. View Lot Details