Kings of Macedon. Alexander I 498-454 BC. AR Tetrobol (14mm, 1,7 g.). Light standard. Aigai mint. Struck circa 480/79-477/6 BC. Horse stepping right. Rev. Helmet right in linear square within shallow incuse square. Raymond Group IV, Series 1; HGC 3, 774. Nicely toned and about Good Very Fine. Scarce.