Many punch-mark symbols (see below) / A single punch-mark. Irregular flat silver planchet (16mm, 3.4g). Gupta/Hardaker ISPC VII III D 26 (#596).Very scarce provincial issue, lacking the sun and the six-armed symbol, common on the normal Mauryan issues.The Mauryan Empire was India's first great unified empire. It lasted from 321 to 185 BCE, and was ruled by the Mauryan dynasty. At its height it ruled virtually all of northern and central India and parts of Afghanistan and Pakistan.