Watch List notes:

AKARNANIA. Leukas. circa 440-400 BC. Diobol (Silver, 11 mm, 0.66 g, 5 h), Pegasus with curled wing flying to right. Rev. ΔΙΟ Pegasos rearing facing, turned slightly to left. BCD Akarnania 183 SNG Cop. -. SNG Lockett 2293. Well centered and clear. Somewhat porous, usual for this issue, otherwise, good fine.
Ex. Pecunem/G&N 41 (6.3.2016) lot 165.

The inscription of the reverse "ΔΙΟ" stands for "ΔΙΟΒΟΛΟΝ", the name value of the coin.