Watch List notes:

KINGS of MACEDON. Antigonos II Gonatas. 277/6-239 BC. AR Tetradrachm (26mm, 17.09 g, 10h). In the name and types of Alexander III. Amphipolis mint. Struck circa 275-272/1 BC. Head of Herakles right, wearing lion skin / Zeus Aëtophoros seated left; Macedonian helmet in left field, ΠAP monogram below throne, EK monogram in exergue. Price 629; Mathisen, Administrative VI.1. Good VF, bright surfaces, a few marks, minor die wear.