Jalaluddin Muhammad, Silver Tanka, 10.79g, Arsah Chatgaon Mint, AH 823 ?, Obv: “jalal al dunya wa’l din abu’l muzaffar Muhammad shah al sultan”, Rev: “nasir amir al mu min ghawth al islam wa’l muslimin khallada mulkahu” (G&G# B305). Very fine for type, rare.