Bengal Sultanate, Silver Tanka, 9.83gm, Ghiyath Al-Din A'zam (AH 792-813, AD 1389-1410), Hadrat Muazzamabad Mint. AH 77x, 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. Small flan, G&G B228 Type Unlisted. About Very Fine, Scarce. View Lot Details