Argos Amphilochikon AE17, very rare

Acarnania, Argos Amphilochikon. AE17 (3.43 g), 3rd century BC.
Obv. Helmeted and bearded head right.
Rev. [APΓEIΩN], Hound right.
BCD Acarnania 157.

Very rare. Cleaning-scratches, otherwise, about very fine.