Bengal Sultanate, Silver Tanka, 10.87g, Joint issue of Ghiyath-al-Din-Bahadur and Muhhamad Bin Tughlaq (AH 728/ 1328 AD), Hazrat Sunargaon Mint. AH 728. Obv: al sultan al muazzam ghiyath al dunya waldin abul muzaffar bahadur shah al sultan bin sultan, Rev: duriba bi amir al wathiq billah muhammad bin tughluq shah. Bahadur Shah was governor of East Bengal in Sunargaon in AH 728, after two years later he issued his own coins with the name of Muhammad bin Tughluq it mean this is Rebellion issue. G&G B116. Very Fine+, Extremely Rare. View Lot Details