Watch List notes:

KINGS of MACEDON. Antigonos II Gonatas. 277/6-239 BC. AR Tetradrachm (27.5mm, 16.86 g, 5h). In the name and types of Alexander III. Amphipolis mint. Struck circa 277/6-275 BC. Head of Herakles right, wearing lion skin / Zeus Aëtophoros seated left; two monograms in left field. Price 605 corr. (second monogram); Mathisen, Administrative, Group III, 3 (A2/P4). Toned, struck with worn dies. Near VF. Extremely rare, only one in Pella (the sole example noted by Mathisen), none in CoinArchives.

From the Don T. Hayes Collection.