Watch List notes:

KINGS of MACEDON. Alexander I. 498-454 BC. AR Tetrobol (15mm, 2.05 g, 6h). Aigai mint. Struck circa 476/5-460 BC. Horse stepping right; A above / Crested helmet right in linear border within incuse square. Raymond Group II, 92 var. (A–/P14 [unlisted obv. die]); HGC 3, 773. Toned, slightly off center on reverse. VF. Good metal for issue.

From the Matthew Curtis Collection.