Watch List notes:

KINGS OF MACEDON. Antigonos II Gonatas, 277/6-239 BC. Hemiobol (Bronze, 20.5 mm, 6.43 g, 1 h). Helmeted head of Athena to right. Rev. B A Pan standing to right, erecting trophy; in left field, K; between his legs, monogram of Antigonos. SNG Alpha Bank 1010-1014. Apple green patina. Light roughness, otherwise, about very fine.
From an European collection.