Watch List notes:

KINGS of MACEDON. Perdikkas II. 451-413 BC. AR Tetrobol (13.5mm, 2.02 g, 9h). Light Macedonian standard. Aigai mint(?). Struck circa 420-413 BC. Horse stepping right / Crested helmet right in linear square within incuse square. Raymond Group IV, Series 1, 144 (A53/P41); HGC 3.1, 782. VF, toned.