Ancient, Punch Marked Coinage, Mauryan PMC, Magadha Imperial (C. 321-150 BC), Silver Karshapana Punch Mark, 3.32 gms, 23.2  mm, Classification & Refrence Series III, III X A 1 Am, obverse marks six armed symbol (mark 419), Sun (mark 468), Rhinoceros right (mark 320), Box (tank?) enclosing central dot encased by a small square, between the two squares four beetles swimming clockwise (mark 208), Elephant right (mark 01).