Watch List notes:

AKARNANIA. Argos Amphilochikon. Circa 340-300 BC. Stater (Silver, 22 mm, 8.51 g, 2 h). AP Pegasos flying to left. Rev. ΔI Helmeted head of Athena to left; behind, shield. Cf. BCD Akarnania 142.4 (A instead of AP). BMC 11. Calciati 16. Very fine.
From a Swiss collection.