Watch List notes:

AKARNANIA. Leukas. Circa 420-380 BC. Diobol (Silver, 11 mm, 0.90 g, 11 h). Λ Pegasos, with curved wing, flying to left. Rev. Pegasos, with straight wing, flying to left. BCD Akarnania -, but cf. 182 and NAC 106, 2018, 223 (both somewhat similar diobols). Apparently very rare, nicely toned and very well-struck. Extremely fine.
From the "Collection sans Pareille" of Ancient Greek Fractions.