punchmark
A punchmark is a type of early Indian coinage that was in use from around the 6th century BCE to the 1st century CE. These coins were typically made of silver and were characterized by their irregular shapes and the presence of various symbols stamped onto their surface. The symbols, which could include depictions of animals, celestial bodies, geometric patterns, or human figures, were punched onto the metal blank rather than being impressed by dies in the way later coinage was produced.
The exact meaning and purpose of these punchmarks are not fully understood. Some scholars believe they represented