old Indian copper coin, likely a Shivrai Paisa from the Maratha Empire, around the 17th-18th century. Key details:
Material: Copper
Ruler/Dynasty: Maratha Empire, possibly Chhatrapati Shivaji Maharaj
Shape: Square or irregular
Obverse: Likely features a Pestonji Star symbol and Persian inscription
Reverse: Probably has Persian inscription
Era: 17th-18th century
Denomination: Paisa
Possible Origin: Jaipur State