Watch List notes:

Assam, Rajeśvara Simha (1751-69), square Quarter-Rupee, 2.83g, Sk.1677, Assamese script, Śrī Śrī Rā/jeśvara Sim/ha Nrpasya, rev. Śāke/ 1677 (RB. O61.1; KM. -), edge knock at top of reverse, very fine, extremely rare.
The Half-Rupee of this type sold at the previous Rhodes auction for £1300 (lot 361)
Estimate: £400.00 - £600.00