Watch List notes:

Greek Coins. Uncertain mint.
Obol, possibly Phalanna late V-early IV century BC, AR 0.75 g. Bust of a nymph r., holding a mirror. Rev. Female figure standing r. before horse. BCD Thessaly 1437.2 (this coin).
Apparently unique. Light iridescent tone, surface somewhat
corroded, otherwise about very fine

Ex Nomos sale 4, 2011, BCD, 1437 (part of).