Qutub al din Mubarak Shah, Silver Square Tanka, 10.92g, "al- imam", Hadrat dar al Khilafa Mint, Obv: al imam al a'zam khalifa rabb al alamin qutb al dunya wa l din abu l muzaffar mubarakshah, Rev: al sultan ibn al sultan al wathiq billah amir al mu minin, Date and Mint name in outer margin (G&G# D247). Very fine+, rare.