Watch List notes:

MACEDON. Potidaia. Circa 400-356 BC. (Bronze, 11.5 mm, 1.48 g, 6 h). Head of Athena to left, wearing Corinthian helmet. Rev. ΠΟΤ-ΕΙΔ Trident. Cf. HGC 3.1, 653 (head right). Cf. SNG ANS 699 (head right). Very rare. Brown patina. About very fine.