The obverse of a <i>tetradrachm</i> coin minted during the reign of Perseus of Macedon (179-168 BC), the last king of Macedonia before the Roman conquest (if the later pretender to the throne Andriscus is to be discounted).
2009
<a href="//commons.wikimedia.org/wiki/User:PHGCOM" class="mw-redirect" title="User:PHGCOM">PHGCOM</a> (Own work by uploader, photographed at the British Museum)