Bengal Sultanate, Shihab al-Din Bayazid Shah (AH 815-817, 1412-1414 AD), Silver Tanka, 10.67 gms, Arsah Chatgaon Mint, AH 817, Obv. Shihab al duniya wa’al din abu al Muzaffar Bayazid Shah in hexagon, al sultan al azam al’mu’ayyad bi-ta’yid al-mulk al-rahaman in margin, Rev. Nasir amir al-mu minin ghawth al islam wa’al muslimin, G&G #B290, very fine, extremely rare.