Watch List notes:

Kachar, Yaśo Narayana (1583-1601), Tanka, 9.75g, Sk.1505, as previous coin but reverse countermarked with the head of a lion of Tripura style, tear-shaped beads in border both sides (cf. RB. 15.1), chisel mark on reverse, darkly toned, coin and countermark very fine, very rare.
See lots 107 & 218 for other coins of this era with the same countermark
Estimate: £400.00 - £500.00