Watch List notes:

Kachar, Megha Narayana (1566-1583), Tanka, 9.39g, Sk.1488, as previous lot but rev. Śri Śri Megah/ Nārāyana/ Bhupālasya/ Śāke 1488, countermarked with the head of a lion of Tripura style, with beads in the lunettes both sides (RB. 13.1), fine, very rare, especially with countermark.
See lots 107 & 220 for other coins of this era with the same countermark
Estimate: £350.00 - £450.00