Siva Simha with Queen Ambika, Silver Rupee, 11.46g, SE 1657/ 21, Assamese legend on both sides within dotted border, Obv: “Sri Sri Hara/ Gauri Pada/ Parayananam/ Sake 1657/ 21”, Rev: “Sri Sri Siva/ Simha Nrpa Tadva/llabha Srimad Ambi/ka Devinam”, Lion to right (R&B# K10.1). About extremely fine, rare.