Stymphalos, Arkadia, AR obol. 11 mm,  0.77 g.

Head of youthful Herakles left wearing lionskin headdress.
STYMFALION, head and neck of a waterbird right.

BCD Pelop I, 1693 ff; Traité II-3, 882.
Very rare. 

With permission of cngcoins.com, Oct 2009.