The two heavy horizontal lines suggested a “do-dundi” (two line) coin. Searching for this on Zeno turned up a match.
https://www.zeno.ru/showphoto.php?photo=126807
Maratha, Bhonsla Rajas of Nagpur, Janoji, INO Shah Jahan III, double (“do-dundi”) pai, Amravati mint.
Shah Jahan III had a very short reign, 1759-1760. This agrees with Janoji's reign, 1755-1772.