Watch List notes:

KINGS of MACEDON. Antigonos II Gonatas. 277/6-239 BC. AR Tetradrachm (31mm, 16.99 g, 6h). Amphipolis mint. Struck circa 274/1-260/55 BC. Horned head of Pan left, lagobolon over shoulder, in the center of a Macedonian shield / Athena Alkidemos advancing left, holding shield decorated with aegis, preparing to cast thunderbolt; crested Macedonian helmet to inner left, monogram to inner right. Panagopoulou Period II, Group 8, 29 var. (O9/R– [unlisted rev. die]); HGC 3, 1042. Toned, overstruck on uncertain type (indications of undertype on obverse). VF.

From the BLS Collection.