Bengal Sultanate, Silver Tanka, 10.55g, Ghiyath Al-Din A'zam (AH 792-813 / AD 1389-1410), Hadrat Firuzabad Mint. Obv: Ghiyath al-dunya wa'l din abu muzaffar a'zam shah sultan, with al-sultan al-a'zam al-mu'ayyad bi-ta'yid al mulk al-rahman in margin, Rev: Nasir amir al-mu'munin ghwath al-islam wa'l muslimin khallada mulkahu. G&G B242. Very Fine+, Scarce. View Lot Details