It's some sort of Hindu religious token containing a magic square to invoke the power, grace, or protection of a particular deity.
A few Google searches showed that coins with similar magic squares have also been found in water, indicating that these were made to be cast into a river or ocean as an offering.
A few Google searches showed that coins with similar magic squares have also been found in water, indicating that these were made to be cast into a river or ocean as an offering.























